58 lines
821 B
V
58 lines
821 B
V
// NB: the struct here deliberately has 9 member fields, to trigger
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// the V heuristic, that decides to pass a Foo receiver automatically
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// by reference, when a struct is too large.
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struct Foo {
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one int
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two int
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three int
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four int
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five int
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six int
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seven int
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eight int
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nine int
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}
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fn (_ Foo) == (_ Foo) bool {
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return true
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}
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fn test_op() {
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a := Foo{
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one: 1
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}
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b := Foo{
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two: 2
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}
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assert a == b
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dump(a)
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dump(b)
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}
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struct ManyFields {
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mut:
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f01 int
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f02 int
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f03 int
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f04 int
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f05 int
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f06 int
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f07 int
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f08 int
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f09 int
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f10 int
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f11 int
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f12 int
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}
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fn (mf ManyFields) inc() ManyFields {
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mut res := mf
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res.f01 += 1
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return res
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}
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fn test_a_struct_with_many_fields_can_be_used_as_receiver_directly_without_assigning_to_an_intermediate_variable() {
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x := ManyFields{}.inc()
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assert x.f01 == 1
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}
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