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fix(ast): removed lambda void return type check #1019

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merged 1 commit into from
Aug 2, 2022
Merged

fix(ast): removed lambda void return type check #1019

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3 changes: 0 additions & 3 deletions src/main/java/com/google/api/generator/engine/ast/LambdaExpr.java
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Original file line number Diff line number Diff line change
Expand Up @@ -67,9 +67,6 @@ public Builder setReturnExpr(Expr expr) {

public LambdaExpr build() {
LambdaExpr lambdaExpr = autoBuild();
Preconditions.checkState(
!lambdaExpr.returnExpr().expr().type().equals(TypeNode.VOID),
"Lambdas cannot return void-typed expressions.");
// Must be a declaration.
lambdaExpr.arguments().stream()
.forEach(
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21 changes: 10 additions & 11 deletions src/test/java/com/google/api/generator/engine/ast/LambdaExprTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -85,17 +85,16 @@ public void validLambdaExpr_withBody() {
}

@Test
public void invalidLambdaExpr_returnsVoid() {
assertThrows(
IllegalStateException.class,
() ->
LambdaExpr.builder()
.setReturnExpr(
MethodInvocationExpr.builder()
.setMethodName("foo")
.setReturnType(TypeNode.VOID)
.build())
.build());
public void validLambdaExpr_returnsVoid() {
LambdaExpr voidLambda =
LambdaExpr.builder()
.setReturnExpr(
MethodInvocationExpr.builder()
.setMethodName("foo")
.setReturnType(TypeNode.VOID)
.build())
.build();
assertEquals(TypeNode.VOID, voidLambda.returnExpr().type());
}

@Test
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