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//! > `loop` with type mismatch.
//! > test_runner_name
test_expr_semantics(expect_diagnostics: true)
//! > function_body
let cond = true;
//! > expr_code
loop {
if cond {
break 3_u32;
} else {
break 3_u16;
}
}
//! > expected_diagnostics
error[E2056]: Loop has incompatible return types: "core::integer::u32" and "core::integer::u16"
--> lib.cairo:6:15
break 3_u16;
^^^^^
//! > expected_semantics
Loop(
ExprLoop {
body: Block(
ExprBlock {
statements: [],
tail: Some(
If(
ExprIf {
conditions: [
BoolExpr(
Var(
LocalVarId(test::cond),
),
),
],
if_block: Block(
ExprBlock {
statements: [
Break(
StatementBreak {
expr_option: Some(
Literal(
ExprNumericLiteral {
value: 3,
ty: core::integer::u32,
},
),
),
},
),
],
tail: None,
ty: core::never,
},
),
else_block: Some(
Block(
ExprBlock {
statements: [
Break(
StatementBreak {
expr_option: Some(
Literal(
ExprNumericLiteral {
value: 3,
ty: core::integer::u16,
},
),
),
},
),
],
tail: None,
ty: core::never,
},
),
),
ty: core::never,
},
),
),
ty: (),
},
),
ty: core::integer::u32,
},
)
//! > ==========================================================================
//! > `loop` with type mismatch with inference.
//! > test_runner_name
test_expr_semantics(expect_diagnostics: true)
//! > function_body
let cond = true;
//! > expr_code
loop {
if cond {
break 3 + 3_u32;
} else {
break 3 + 3_u16;
}
}
//! > expected_diagnostics
error[E2056]: Loop has incompatible return types: "core::integer::u32" and "core::integer::u16"
--> lib.cairo:6:15
break 3 + 3_u16;
^^^^^^^^^
//! > expected_semantics
Loop(
ExprLoop {
body: Block(
ExprBlock {
statements: [],
tail: Some(
If(
ExprIf {
conditions: [
BoolExpr(
Var(
LocalVarId(test::cond),
),
),
],
if_block: Block(
ExprBlock {
statements: [
Break(
StatementBreak {
expr_option: Some(
FunctionCall(
ExprFunctionCall {
function: ?0::add,
args: [
Value(
Literal(
ExprNumericLiteral {
value: 3,
ty: core::integer::u32,
},
),
),
Value(
Literal(
ExprNumericLiteral {
value: 3,
ty: core::integer::u32,
},
),
),
],
coupon_arg: None,
ty: core::integer::u32,
},
),
),
},
),
],
tail: None,
ty: core::never,
},
),
else_block: Some(
Block(
ExprBlock {
statements: [
Break(
StatementBreak {
expr_option: Some(
FunctionCall(
ExprFunctionCall {
function: ?2::add,
args: [
Value(
Literal(
ExprNumericLiteral {
value: 3,
ty: core::integer::u16,
},
),
),
Value(
Literal(
ExprNumericLiteral {
value: 3,
ty: core::integer::u16,
},
),
),
],
coupon_arg: None,
ty: core::integer::u16,
},
),
),
},
),
],
tail: None,
ty: core::never,
},
),
),
ty: core::never,
},
),
),
ty: (),
},
),
ty: core::integer::u32,
},
)