evalInQ - run in a queue, wait, get return value [1019896]

19
LINES

< > BotCompany Repo | #1019896 // evalInQ - run in a queue, wait, get return value

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (9934L/55K).

static <A> A evalInQ(Q q, IF0<A> f) {
  ret evalInQ(q, if0ToF0(f));
}

static <A> A evalInQ(Q q, F0<A> f) {
  if (isInQ(q)) ret callF(f);
  
  final new Var<Either<A, Throwable>> var;
  
  q.add(r {
    try {
      var.set(eitherA(callF(f)));
    } catch e {
      var.set(eitherB(e));
    }
  });
  
  ret returnOrThrow_either(waitForVarToBeNotNull(var));
}

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Snippet ID:	#1019896
Snippet name:	evalInQ - run in a queue, wait, get return value
Eternal ID of this version:	#1019896/8
Text MD5:	d83d19a8e753300b48aa495940f44014
Transpilation MD5:	7c4b47bb34717f4638e382f253beca72
Author:	stefan
Category:	javax / stefan's os
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2022-08-06 18:57:57
Source code size:	376 bytes / 19 lines
Pitched / IR pitched:	No / No
Views / Downloads:	251 / 3390
Version history:	7 change(s)
Referenced in:	[show references]

1	static <A> A evalInQ(Q q, IF0<A> f) {
2	ret evalInQ(q, if0ToF0(f));
3	}
4
5	static <A> A evalInQ(Q q, F0<A> f) {
6	if (isInQ(q)) ret callF(f);
7
8	final new Var<Either<A, Throwable>> var;
9
10	q.add(r {
11	try {
12	var.set(eitherA(callF(f)));
13	} catch e {
14	var.set(eitherB(e));
15	}
16	});
17
18	ret returnOrThrow_either(waitForVarToBeNotNull(var));
19	}