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//! > Test call
//! > test_runner_name
test_expr_semantics(expect_diagnostics: false)
//! > expr_code
|a| {
a + 3
}
//! > expected_semantics
ExprClosure(
ExprClosure {
body: Block(
ExprBlock {
statements: [],
tail: Some(
FunctionCall(
ExprFunctionCall {
function: core::Felt252Add::add,
args: [
Value(
Var(
ParamId(test::a),
),
),
Value(
Literal(
ExprNumericLiteral {
value: 3,
ty: core::felt252,
},
),
),
],
coupon_arg: None,
ty: core::felt252,
},
),
),
ty: core::felt252,
},
),
params: [
Parameter {
id: ParamId(test::a),
name: "a",
ty: core::felt252,
mutability: Immutable,
},
],
ty: {closure@lib.cairo:2:1: 2:4},
},
)
//! > expected_diagnostics
//! > ==========================================================================
//! > Test closure inferring param type and output type.
//! > test_runner_name
test_expr_semantics(expect_diagnostics: false)
//! > module_code
fn bar<T, +core::ops::FnOnce<T, (u8,)>>(c: T) -> core::ops::FnOnce::<T, (u8,)>::Output {
core::ops::FnOnce::call(c, (2,))
}
//! > expr_code
{
let c = |a| {
let d = a;
d.into()
};
let _k: u128 = bar(c);
}
//! > expected_semantics
Block(
ExprBlock {
statements: [
Let(
StatementLet {
pattern: Variable(
c,
),
expr: ExprClosure(
ExprClosure {
body: Block(
ExprBlock {
statements: [
Let(
StatementLet {
pattern: Variable(
d,
),
expr: Var(
ParamId(test::a),
),
else_clause: None,
},
),
],
tail: Some(
FunctionCall(
ExprFunctionCall {
function: core::integer::UpcastableInto::<core::integer::u8, core::integer::u128, core::integer::UpcastableU8U128>::into,
args: [
Value(
Var(
LocalVarId(test::d),
),
),
],
coupon_arg: None,
ty: core::integer::u128,
},
),
),
ty: core::integer::u128,
},
),
params: [
Parameter {
id: ParamId(test::a),
name: "a",
ty: core::integer::u8,
mutability: Immutable,
},
],
ty: {closure@lib.cairo:6:13: 6:16},
},
),
else_clause: None,
},
),
Let(
StatementLet {
pattern: Variable(
_k,
),
expr: FunctionCall(
ExprFunctionCall {
function: test::bar::<{closure@lib.cairo:6:13: 6:16}, core::ops::function::FnOnceImpl::<{closure@lib.cairo:6:13: 6:16}, (core::integer::u8,), core::traits::DestructFromDrop::<{closure@lib.cairo:6:13: 6:16}, Generated core::traits::Drop::<{closure@lib.cairo:6:13: 6:16}>>, Generated core::ops::function::Fn::<{closure@lib.cairo:6:13: 6:16}, (core::integer::u8,)>>>,
args: [
Value(
Var(
LocalVarId(test::c),
),
),
],
coupon_arg: None,
ty: core::integer::u128,
},
),
else_clause: None,
},
),
],
tail: None,
ty: (),
},
)
//! > expected_diagnostics