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a6272848f9
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986
build/dev/javascript/gleam_stdlib/gleam@int.erl
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986
build/dev/javascript/gleam_stdlib/gleam@int.erl
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@ -0,0 +1,986 @@
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-module(gleam@int).
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-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
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-define(FILEPATH, "src/gleam/int.gleam").
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-export([absolute_value/1, parse/1, base_parse/2, to_string/1, to_base_string/2, to_base2/1, to_base8/1, to_base16/1, to_base36/1, to_float/1, power/2, square_root/1, compare/2, min/2, max/2, clamp/3, is_even/1, is_odd/1, negate/1, sum/1, product/1, digits/2, undigits/2, random/1, divide/2, remainder/2, modulo/2, floor_divide/2, add/2, multiply/2, subtract/2, bitwise_and/2, bitwise_not/1, bitwise_or/2, bitwise_exclusive_or/2, bitwise_shift_left/2, bitwise_shift_right/2]).
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||||
|
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-if(?OTP_RELEASE >= 27).
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-define(MODULEDOC(Str), -moduledoc(Str)).
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-define(DOC(Str), -doc(Str)).
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-else.
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-define(MODULEDOC(Str), -compile([])).
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-define(DOC(Str), -compile([])).
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-endif.
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||||
?MODULEDOC(
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||||
" Functions for working with integers.\n"
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"\n"
|
||||
" ## Division by zero\n"
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||||
"\n"
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||||
" In Erlang division by zero results in a crash, however Gleam does not have\n"
|
||||
" partial functions and operators in core so instead division by zero returns\n"
|
||||
" zero, a behaviour taken from Pony, Coq, and Lean.\n"
|
||||
"\n"
|
||||
" This may seem unexpected at first, but it is no less mathematically valid\n"
|
||||
" than crashing or returning a special value. Division by zero is undefined\n"
|
||||
" in mathematics.\n"
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||||
).
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||||
-file("src/gleam/int.gleam", 30).
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||||
?DOC(
|
||||
" Returns the absolute value of the input.\n"
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"\n"
|
||||
" ## Examples\n"
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||||
"\n"
|
||||
" ```gleam\n"
|
||||
" absolute_value(-12)\n"
|
||||
" // -> 12\n"
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" ```\n"
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||||
"\n"
|
||||
" ```gleam\n"
|
||||
" absolute_value(10)\n"
|
||||
" // -> 10\n"
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||||
" ```\n"
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||||
).
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-spec absolute_value(integer()) -> integer().
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||||
absolute_value(X) ->
|
||||
case X >= 0 of
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||||
true ->
|
||||
X;
|
||||
|
||||
false ->
|
||||
X * -1
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||||
end.
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||||
|
||||
-file("src/gleam/int.gleam", 109).
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||||
?DOC(
|
||||
" Parses a given string as an int if possible.\n"
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||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" parse(\"2\")\n"
|
||||
" // -> Ok(2)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" parse(\"ABC\")\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec parse(binary()) -> {ok, integer()} | {error, nil}.
|
||||
parse(String) ->
|
||||
gleam_stdlib:parse_int(String).
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||||
|
||||
-file("src/gleam/int.gleam", 141).
|
||||
?DOC(
|
||||
" Parses a given string as an int in a given base if possible.\n"
|
||||
" Supports only bases 2 to 36, for values outside of which this function returns an `Error(Nil)`.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" base_parse(\"10\", 2)\n"
|
||||
" // -> Ok(2)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" base_parse(\"30\", 16)\n"
|
||||
" // -> Ok(48)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" base_parse(\"1C\", 36)\n"
|
||||
" // -> Ok(48)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" base_parse(\"48\", 1)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" base_parse(\"48\", 37)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec base_parse(binary(), integer()) -> {ok, integer()} | {error, nil}.
|
||||
base_parse(String, Base) ->
|
||||
case (Base >= 2) andalso (Base =< 36) of
|
||||
true ->
|
||||
gleam_stdlib:int_from_base_string(String, Base);
|
||||
|
||||
false ->
|
||||
{error, nil}
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 163).
|
||||
?DOC(
|
||||
" Prints a given int to a string.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_string(2)\n"
|
||||
" // -> \"2\"\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec to_string(integer()) -> binary().
|
||||
to_string(X) ->
|
||||
erlang:integer_to_binary(X).
|
||||
|
||||
-file("src/gleam/int.gleam", 196).
|
||||
?DOC(
|
||||
" Prints a given int to a string using the base number provided.\n"
|
||||
" Supports only bases 2 to 36, for values outside of which this function returns an `Error(Nil)`.\n"
|
||||
" For common bases (2, 8, 16, 36), use the `to_baseN` functions.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base_string(2, 2)\n"
|
||||
" // -> Ok(\"10\")\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base_string(48, 16)\n"
|
||||
" // -> Ok(\"30\")\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base_string(48, 36)\n"
|
||||
" // -> Ok(\"1C\")\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base_string(48, 1)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base_string(48, 37)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec to_base_string(integer(), integer()) -> {ok, binary()} | {error, nil}.
|
||||
to_base_string(X, Base) ->
|
||||
case (Base >= 2) andalso (Base =< 36) of
|
||||
true ->
|
||||
{ok, erlang:integer_to_binary(X, Base)};
|
||||
|
||||
false ->
|
||||
{error, nil}
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 216).
|
||||
?DOC(
|
||||
" Prints a given int to a string using base-2.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base2(2)\n"
|
||||
" // -> \"10\"\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec to_base2(integer()) -> binary().
|
||||
to_base2(X) ->
|
||||
erlang:integer_to_binary(X, 2).
|
||||
|
||||
-file("src/gleam/int.gleam", 229).
|
||||
?DOC(
|
||||
" Prints a given int to a string using base-8.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base8(15)\n"
|
||||
" // -> \"17\"\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec to_base8(integer()) -> binary().
|
||||
to_base8(X) ->
|
||||
erlang:integer_to_binary(X, 8).
|
||||
|
||||
-file("src/gleam/int.gleam", 242).
|
||||
?DOC(
|
||||
" Prints a given int to a string using base-16.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base16(48)\n"
|
||||
" // -> \"30\"\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec to_base16(integer()) -> binary().
|
||||
to_base16(X) ->
|
||||
erlang:integer_to_binary(X, 16).
|
||||
|
||||
-file("src/gleam/int.gleam", 255).
|
||||
?DOC(
|
||||
" Prints a given int to a string using base-36.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_base36(48)\n"
|
||||
" // -> \"1C\"\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec to_base36(integer()) -> binary().
|
||||
to_base36(X) ->
|
||||
erlang:integer_to_binary(X, 36).
|
||||
|
||||
-file("src/gleam/int.gleam", 280).
|
||||
?DOC(
|
||||
" Takes an int and returns its value as a float.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_float(5)\n"
|
||||
" // -> 5.0\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_float(0)\n"
|
||||
" // -> 0.0\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" to_float(-3)\n"
|
||||
" // -> -3.0\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec to_float(integer()) -> float().
|
||||
to_float(X) ->
|
||||
erlang:float(X).
|
||||
|
||||
-file("src/gleam/int.gleam", 67).
|
||||
?DOC(
|
||||
" Returns the results of the base being raised to the power of the\n"
|
||||
" exponent, as a `Float`.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" power(2, -1.0)\n"
|
||||
" // -> Ok(0.5)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" power(2, 2.0)\n"
|
||||
" // -> Ok(4.0)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" power(8, 1.5)\n"
|
||||
" // -> Ok(22.627416997969522)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" 4 |> power(of: 2.0)\n"
|
||||
" // -> Ok(16.0)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" power(-1, 0.5)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec power(integer(), float()) -> {ok, float()} | {error, nil}.
|
||||
power(Base, Exponent) ->
|
||||
_pipe = Base,
|
||||
_pipe@1 = erlang:float(_pipe),
|
||||
gleam@float:power(_pipe@1, Exponent).
|
||||
|
||||
-file("src/gleam/int.gleam", 87).
|
||||
?DOC(
|
||||
" Returns the square root of the input as a `Float`.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" square_root(4)\n"
|
||||
" // -> Ok(2.0)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" square_root(-16)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec square_root(integer()) -> {ok, float()} | {error, nil}.
|
||||
square_root(X) ->
|
||||
_pipe = X,
|
||||
_pipe@1 = erlang:float(_pipe),
|
||||
gleam@float:square_root(_pipe@1).
|
||||
|
||||
-file("src/gleam/int.gleam", 316).
|
||||
?DOC(
|
||||
" Compares two ints, returning an order.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" compare(2, 3)\n"
|
||||
" // -> Lt\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" compare(4, 3)\n"
|
||||
" // -> Gt\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" compare(3, 3)\n"
|
||||
" // -> Eq\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec compare(integer(), integer()) -> gleam@order:order().
|
||||
compare(A, B) ->
|
||||
case A =:= B of
|
||||
true ->
|
||||
eq;
|
||||
|
||||
false ->
|
||||
case A < B of
|
||||
true ->
|
||||
lt;
|
||||
|
||||
false ->
|
||||
gt
|
||||
end
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 336).
|
||||
?DOC(
|
||||
" Compares two ints, returning the smaller of the two.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" min(2, 3)\n"
|
||||
" // -> 2\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec min(integer(), integer()) -> integer().
|
||||
min(A, B) ->
|
||||
case A < B of
|
||||
true ->
|
||||
A;
|
||||
|
||||
false ->
|
||||
B
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 352).
|
||||
?DOC(
|
||||
" Compares two ints, returning the larger of the two.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" max(2, 3)\n"
|
||||
" // -> 3\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec max(integer(), integer()) -> integer().
|
||||
max(A, B) ->
|
||||
case A > B of
|
||||
true ->
|
||||
A;
|
||||
|
||||
false ->
|
||||
B
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 291).
|
||||
?DOC(
|
||||
" Restricts an int between a lower and upper bound.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" clamp(40, min: 50, max: 60)\n"
|
||||
" // -> 50\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec clamp(integer(), integer(), integer()) -> integer().
|
||||
clamp(X, Min_bound, Max_bound) ->
|
||||
_pipe = X,
|
||||
_pipe@1 = min(_pipe, Max_bound),
|
||||
max(_pipe@1, Min_bound).
|
||||
|
||||
-file("src/gleam/int.gleam", 373).
|
||||
?DOC(
|
||||
" Returns whether the value provided is even.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" is_even(2)\n"
|
||||
" // -> True\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" is_even(3)\n"
|
||||
" // -> False\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec is_even(integer()) -> boolean().
|
||||
is_even(X) ->
|
||||
(X rem 2) =:= 0.
|
||||
|
||||
-file("src/gleam/int.gleam", 391).
|
||||
?DOC(
|
||||
" Returns whether the value provided is odd.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" is_odd(3)\n"
|
||||
" // -> True\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" is_odd(2)\n"
|
||||
" // -> False\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec is_odd(integer()) -> boolean().
|
||||
is_odd(X) ->
|
||||
(X rem 2) /= 0.
|
||||
|
||||
-file("src/gleam/int.gleam", 404).
|
||||
?DOC(
|
||||
" Returns the negative of the value provided.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" negate(1)\n"
|
||||
" // -> -1\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec negate(integer()) -> integer().
|
||||
negate(X) ->
|
||||
-1 * X.
|
||||
|
||||
-file("src/gleam/int.gleam", 421).
|
||||
-spec sum_loop(list(integer()), integer()) -> integer().
|
||||
sum_loop(Numbers, Initial) ->
|
||||
case Numbers of
|
||||
[First | Rest] ->
|
||||
sum_loop(Rest, First + Initial);
|
||||
|
||||
[] ->
|
||||
Initial
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 417).
|
||||
?DOC(
|
||||
" Sums a list of ints.\n"
|
||||
"\n"
|
||||
" ## Example\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" sum([1, 2, 3])\n"
|
||||
" // -> 6\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec sum(list(integer())) -> integer().
|
||||
sum(Numbers) ->
|
||||
sum_loop(Numbers, 0).
|
||||
|
||||
-file("src/gleam/int.gleam", 441).
|
||||
-spec product_loop(list(integer()), integer()) -> integer().
|
||||
product_loop(Numbers, Initial) ->
|
||||
case Numbers of
|
||||
[First | Rest] ->
|
||||
product_loop(Rest, First * Initial);
|
||||
|
||||
[] ->
|
||||
Initial
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 437).
|
||||
?DOC(
|
||||
" Multiplies a list of ints and returns the product.\n"
|
||||
"\n"
|
||||
" ## Example\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" product([2, 3, 4])\n"
|
||||
" // -> 24\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec product(list(integer())) -> integer().
|
||||
product(Numbers) ->
|
||||
product_loop(Numbers, 1).
|
||||
|
||||
-file("src/gleam/int.gleam", 456).
|
||||
-spec digits_loop(integer(), integer(), list(integer())) -> list(integer()).
|
||||
digits_loop(X, Base, Acc) ->
|
||||
case absolute_value(X) < Base of
|
||||
true ->
|
||||
[X | Acc];
|
||||
|
||||
false ->
|
||||
digits_loop(case Base of
|
||||
0 -> 0;
|
||||
Gleam@denominator -> X div Gleam@denominator
|
||||
end, Base, [case Base of
|
||||
0 -> 0;
|
||||
Gleam@denominator@1 -> X rem Gleam@denominator@1
|
||||
end | Acc])
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 449).
|
||||
-spec digits(integer(), integer()) -> {ok, list(integer())} | {error, nil}.
|
||||
digits(X, Base) ->
|
||||
case Base < 2 of
|
||||
true ->
|
||||
{error, nil};
|
||||
|
||||
false ->
|
||||
{ok, digits_loop(X, Base, [])}
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 471).
|
||||
-spec undigits_loop(list(integer()), integer(), integer()) -> {ok, integer()} |
|
||||
{error, nil}.
|
||||
undigits_loop(Numbers, Base, Acc) ->
|
||||
case Numbers of
|
||||
[] ->
|
||||
{ok, Acc};
|
||||
|
||||
[Digit | _] when Digit >= Base ->
|
||||
{error, nil};
|
||||
|
||||
[Digit@1 | Rest] ->
|
||||
undigits_loop(Rest, Base, (Acc * Base) + Digit@1)
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 464).
|
||||
-spec undigits(list(integer()), integer()) -> {ok, integer()} | {error, nil}.
|
||||
undigits(Numbers, Base) ->
|
||||
case Base < 2 of
|
||||
true ->
|
||||
{error, nil};
|
||||
|
||||
false ->
|
||||
undigits_loop(Numbers, Base, 0)
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 500).
|
||||
?DOC(
|
||||
" Generates a random int between zero and the given maximum.\n"
|
||||
"\n"
|
||||
" The lower number is inclusive, the upper number is exclusive.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" random(10)\n"
|
||||
" // -> 4\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" random(1)\n"
|
||||
" // -> 0\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" random(-1)\n"
|
||||
" // -> -1\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec random(integer()) -> integer().
|
||||
random(Max) ->
|
||||
_pipe = (rand:uniform() * erlang:float(Max)),
|
||||
_pipe@1 = math:floor(_pipe),
|
||||
erlang:round(_pipe@1).
|
||||
|
||||
-file("src/gleam/int.gleam", 533).
|
||||
?DOC(
|
||||
" Performs a truncated integer division.\n"
|
||||
"\n"
|
||||
" Returns division of the inputs as a `Result`: If the given divisor equals\n"
|
||||
" `0`, this function returns an `Error`.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" divide(0, 1)\n"
|
||||
" // -> Ok(0)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" divide(1, 0)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" divide(5, 2)\n"
|
||||
" // -> Ok(2)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" divide(-99, 2)\n"
|
||||
" // -> Ok(-49)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec divide(integer(), integer()) -> {ok, integer()} | {error, nil}.
|
||||
divide(Dividend, Divisor) ->
|
||||
case Divisor of
|
||||
0 ->
|
||||
{error, nil};
|
||||
|
||||
Divisor@1 ->
|
||||
{ok, case Divisor@1 of
|
||||
0 -> 0;
|
||||
Gleam@denominator -> Dividend div Gleam@denominator
|
||||
end}
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 585).
|
||||
?DOC(
|
||||
" Computes the remainder of an integer division of inputs as a `Result`.\n"
|
||||
"\n"
|
||||
" Returns division of the inputs as a `Result`: If the given divisor equals\n"
|
||||
" `0`, this function returns an `Error`.\n"
|
||||
"\n"
|
||||
" Most the time you will want to use the `%` operator instead of this\n"
|
||||
" function.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" remainder(3, 2)\n"
|
||||
" // -> Ok(1)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" remainder(1, 0)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" remainder(10, -1)\n"
|
||||
" // -> Ok(0)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" remainder(13, by: 3)\n"
|
||||
" // -> Ok(1)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" remainder(-13, by: 3)\n"
|
||||
" // -> Ok(-1)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" remainder(13, by: -3)\n"
|
||||
" // -> Ok(1)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" remainder(-13, by: -3)\n"
|
||||
" // -> Ok(-1)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec remainder(integer(), integer()) -> {ok, integer()} | {error, nil}.
|
||||
remainder(Dividend, Divisor) ->
|
||||
case Divisor of
|
||||
0 ->
|
||||
{error, nil};
|
||||
|
||||
Divisor@1 ->
|
||||
{ok, case Divisor@1 of
|
||||
0 -> 0;
|
||||
Gleam@denominator -> Dividend rem Gleam@denominator
|
||||
end}
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 627).
|
||||
?DOC(
|
||||
" Computes the modulo of an integer division of inputs as a `Result`.\n"
|
||||
"\n"
|
||||
" Returns division of the inputs as a `Result`: If the given divisor equals\n"
|
||||
" `0`, this function returns an `Error`.\n"
|
||||
"\n"
|
||||
" Most the time you will want to use the `%` operator instead of this\n"
|
||||
" function.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" modulo(3, 2)\n"
|
||||
" // -> Ok(1)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" modulo(1, 0)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" modulo(10, -1)\n"
|
||||
" // -> Ok(0)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" modulo(13, by: 3)\n"
|
||||
" // -> Ok(1)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" modulo(-13, by: 3)\n"
|
||||
" // -> Ok(2)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec modulo(integer(), integer()) -> {ok, integer()} | {error, nil}.
|
||||
modulo(Dividend, Divisor) ->
|
||||
case Divisor of
|
||||
0 ->
|
||||
{error, nil};
|
||||
|
||||
_ ->
|
||||
Remainder = case Divisor of
|
||||
0 -> 0;
|
||||
Gleam@denominator -> Dividend rem Gleam@denominator
|
||||
end,
|
||||
case (Remainder * Divisor) < 0 of
|
||||
true ->
|
||||
{ok, Remainder + Divisor};
|
||||
|
||||
false ->
|
||||
{ok, Remainder}
|
||||
end
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 671).
|
||||
?DOC(
|
||||
" Performs a *floored* integer division, which means that the result will\n"
|
||||
" always be rounded towards negative infinity.\n"
|
||||
"\n"
|
||||
" If you want to perform truncated integer division (rounding towards zero),\n"
|
||||
" use `int.divide()` or the `/` operator instead.\n"
|
||||
"\n"
|
||||
" Returns division of the inputs as a `Result`: If the given divisor equals\n"
|
||||
" `0`, this function returns an `Error`.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" floor_divide(1, 0)\n"
|
||||
" // -> Error(Nil)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" floor_divide(5, 2)\n"
|
||||
" // -> Ok(2)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" floor_divide(6, -4)\n"
|
||||
" // -> Ok(-2)\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" floor_divide(-99, 2)\n"
|
||||
" // -> Ok(-50)\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec floor_divide(integer(), integer()) -> {ok, integer()} | {error, nil}.
|
||||
floor_divide(Dividend, Divisor) ->
|
||||
case Divisor of
|
||||
0 ->
|
||||
{error, nil};
|
||||
|
||||
Divisor@1 ->
|
||||
case ((Dividend * Divisor@1) < 0) andalso ((case Divisor@1 of
|
||||
0 -> 0;
|
||||
Gleam@denominator -> Dividend rem Gleam@denominator
|
||||
end) /= 0) of
|
||||
true ->
|
||||
{ok, (case Divisor@1 of
|
||||
0 -> 0;
|
||||
Gleam@denominator@1 -> Dividend div Gleam@denominator@1
|
||||
end) - 1};
|
||||
|
||||
false ->
|
||||
{ok, case Divisor@1 of
|
||||
0 -> 0;
|
||||
Gleam@denominator@2 -> Dividend div Gleam@denominator@2
|
||||
end}
|
||||
end
|
||||
end.
|
||||
|
||||
-file("src/gleam/int.gleam", 705).
|
||||
?DOC(
|
||||
" Adds two integers together.\n"
|
||||
"\n"
|
||||
" It's the function equivalent of the `+` operator.\n"
|
||||
" This function is useful in higher order functions or pipes.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" add(1, 2)\n"
|
||||
" // -> 3\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" import gleam/list\n"
|
||||
" list.fold([1, 2, 3], 0, add)\n"
|
||||
" // -> 6\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" 3 |> add(2)\n"
|
||||
" // -> 5\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec add(integer(), integer()) -> integer().
|
||||
add(A, B) ->
|
||||
A + B.
|
||||
|
||||
-file("src/gleam/int.gleam", 733).
|
||||
?DOC(
|
||||
" Multiplies two integers together.\n"
|
||||
"\n"
|
||||
" It's the function equivalent of the `*` operator.\n"
|
||||
" This function is useful in higher order functions or pipes.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" multiply(2, 4)\n"
|
||||
" // -> 8\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" import gleam/list\n"
|
||||
"\n"
|
||||
" list.fold([2, 3, 4], 1, multiply)\n"
|
||||
" // -> 24\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" 3 |> multiply(2)\n"
|
||||
" // -> 6\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec multiply(integer(), integer()) -> integer().
|
||||
multiply(A, B) ->
|
||||
A * B.
|
||||
|
||||
-file("src/gleam/int.gleam", 766).
|
||||
?DOC(
|
||||
" Subtracts one int from another.\n"
|
||||
"\n"
|
||||
" It's the function equivalent of the `-` operator.\n"
|
||||
" This function is useful in higher order functions or pipes.\n"
|
||||
"\n"
|
||||
" ## Examples\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" subtract(3, 1)\n"
|
||||
" // -> 2\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" import gleam/list\n"
|
||||
"\n"
|
||||
" list.fold([1, 2, 3], 10, subtract)\n"
|
||||
" // -> 4\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" 3 |> subtract(2)\n"
|
||||
" // -> 1\n"
|
||||
" ```\n"
|
||||
"\n"
|
||||
" ```gleam\n"
|
||||
" 3 |> subtract(2, _)\n"
|
||||
" // -> -1\n"
|
||||
" ```\n"
|
||||
).
|
||||
-spec subtract(integer(), integer()) -> integer().
|
||||
subtract(A, B) ->
|
||||
A - B.
|
||||
|
||||
-file("src/gleam/int.gleam", 778).
|
||||
?DOC(
|
||||
" Calculates the bitwise AND of its arguments.\n"
|
||||
"\n"
|
||||
" The exact behaviour of this function depends on the target platform.\n"
|
||||
" On Erlang it is equivalent to bitwise operations on ints, on JavaScript it\n"
|
||||
" is equivalent to bitwise operations on big-ints.\n"
|
||||
).
|
||||
-spec bitwise_and(integer(), integer()) -> integer().
|
||||
bitwise_and(X, Y) ->
|
||||
erlang:'band'(X, Y).
|
||||
|
||||
-file("src/gleam/int.gleam", 788).
|
||||
?DOC(
|
||||
" Calculates the bitwise NOT of its argument.\n"
|
||||
"\n"
|
||||
" The exact behaviour of this function depends on the target platform.\n"
|
||||
" On Erlang it is equivalent to bitwise operations on ints, on JavaScript it\n"
|
||||
" is equivalent to bitwise operations on big-ints.\n"
|
||||
).
|
||||
-spec bitwise_not(integer()) -> integer().
|
||||
bitwise_not(X) ->
|
||||
erlang:'bnot'(X).
|
||||
|
||||
-file("src/gleam/int.gleam", 798).
|
||||
?DOC(
|
||||
" Calculates the bitwise OR of its arguments.\n"
|
||||
"\n"
|
||||
" The exact behaviour of this function depends on the target platform.\n"
|
||||
" On Erlang it is equivalent to bitwise operations on ints, on JavaScript it\n"
|
||||
" is equivalent to bitwise operations on big-ints.\n"
|
||||
).
|
||||
-spec bitwise_or(integer(), integer()) -> integer().
|
||||
bitwise_or(X, Y) ->
|
||||
erlang:'bor'(X, Y).
|
||||
|
||||
-file("src/gleam/int.gleam", 808).
|
||||
?DOC(
|
||||
" Calculates the bitwise XOR of its arguments.\n"
|
||||
"\n"
|
||||
" The exact behaviour of this function depends on the target platform.\n"
|
||||
" On Erlang it is equivalent to bitwise operations on ints, on JavaScript it\n"
|
||||
" is equivalent to bitwise operations on big-ints.\n"
|
||||
).
|
||||
-spec bitwise_exclusive_or(integer(), integer()) -> integer().
|
||||
bitwise_exclusive_or(X, Y) ->
|
||||
erlang:'bxor'(X, Y).
|
||||
|
||||
-file("src/gleam/int.gleam", 818).
|
||||
?DOC(
|
||||
" Calculates the result of an arithmetic left bitshift.\n"
|
||||
"\n"
|
||||
" The exact behaviour of this function depends on the target platform.\n"
|
||||
" On Erlang it is equivalent to bitwise operations on ints, on JavaScript it\n"
|
||||
" is equivalent to bitwise operations on big-ints.\n"
|
||||
).
|
||||
-spec bitwise_shift_left(integer(), integer()) -> integer().
|
||||
bitwise_shift_left(X, Y) ->
|
||||
erlang:'bsl'(X, Y).
|
||||
|
||||
-file("src/gleam/int.gleam", 828).
|
||||
?DOC(
|
||||
" Calculates the result of an arithmetic right bitshift.\n"
|
||||
"\n"
|
||||
" The exact behaviour of this function depends on the target platform.\n"
|
||||
" On Erlang it is equivalent to bitwise operations on ints, on JavaScript it\n"
|
||||
" is equivalent to bitwise operations on big-ints.\n"
|
||||
).
|
||||
-spec bitwise_shift_right(integer(), integer()) -> integer().
|
||||
bitwise_shift_right(X, Y) ->
|
||||
erlang:'bsr'(X, Y).
|
||||
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Reference in a new issue