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syscall/js: improve documentation of Func.Release

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Fixes #38152

Change-Id: I807f49e23cc33e1c9b64029c7504b5a1f81a6bab
Reviewed-on: https://go-review.googlesource.com/c/go/+/235138
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
This commit is contained in:
Richard Musiol 2020-05-24 19:16:03 +02:00 committed by Richard Musiol
parent 8194187a2d
commit 828bb0c123
1 changed files with 2 additions and 1 deletions
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3
src/syscall/js/func.go
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@ -39,7 +39,7 @@ type Func struct {
// immediate deadlock. Therefore a blocking function should explicitly start a
// new goroutine.
//
// Func.Release must be called to free up resources when the function will not be used any more.
// Func.Release must be called to free up resources when the function will not be invoked any more.
func FuncOf(fn func(this Value, args []Value) interface{}) Func {
funcsMu.Lock()
id := nextFuncID
@ -54,6 +54,7 @@ func FuncOf(fn func(this Value, args []Value) interface{}) Func {
// Release frees up resources allocated for the function.
// The function must not be invoked after calling Release.
// It is allowed to call Release while the function is still running.
func (c Func) Release() {
funcsMu.Lock()
delete(funcs, c.id)