Initial commit

build/dev/javascript/gleam_stdlib/gleam@function.erl

@@ -0,0 +1,30 @@
+-module(gleam@function).
+-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
+-define(FILEPATH, "src/gleam/function.gleam").
+-export([identity/1, tap/2]).
+
+-if(?OTP_RELEASE >= 27).
+-define(MODULEDOC(Str), -moduledoc(Str)).
+-define(DOC(Str), -doc(Str)).
+-else.
+-define(MODULEDOC(Str), -compile([])).
+-define(DOC(Str), -compile([])).
+-endif.
+
+-file("src/gleam/function.gleam", 3).
+?DOC(" Takes a single argument and always returns its input value.\n").
+-spec identity(CLA) -> CLA.
+identity(X) ->
+    X.
+
+-file("src/gleam/function.gleam", 12).
+?DOC(
+    " Takes an argument and a single function, calls that function with that\n"
+    " argument and returns that argument instead of the function return value.\n"
+    "\n"
+    " Useful for running synchronous side effects in a pipeline.\n"
+).
+-spec tap(CLB, fun((CLB) -> any())) -> CLB.
+tap(Arg, Effect) ->
+    Effect(Arg),
+    Arg.