Block until the internal flag is true.
If the internal flag is true on entry, return $(D_KEYWORD true) immediately. Otherwise, block until another coroutine calls $(D_PSYMBOL set()) to set the flag to true, then return $(D_KEYWORD true).
See Implementation
Block until the internal flag is true.
If the internal flag is true on entry, return $(D_KEYWORD true) immediately. Otherwise, block until another coroutine calls $(D_PSYMBOL set()) to set the flag to true, then return $(D_KEYWORD true).