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Current Path: /opt/golang/1.19.4/src/cmd/compile/internal/types2/testdata/check

opt / golang / 1.19.4 / src / cmd / compile / internal / types2 / testdata / check /

📁 ..
📄 blank.go(203 B)
📄 builtins0.go(23.81 KB)
📄 builtins1.go(5.46 KB)
📄 chans.go(1.66 KB)
📄 compliterals.go(442 B)
📄 const0.go(9.18 KB)
📄 const1.go(8.56 KB)
📄 constdecl.go(3.67 KB)
📄 conversions0.go(1.71 KB)
📄 conversions1.go(5.07 KB)
📄 cycles0.go(2.85 KB)
📄 cycles1.go(781 B)
📄 cycles2.go(1.12 KB)
📄 cycles3.go(675 B)
📄 cycles4.go(2.03 KB)
📄 cycles5.go(2.98 KB)
📄 decls0.go(3.97 KB)
📄 decls1.go(3.6 KB)
📁 decls2
📄 decls3.go(4.24 KB)
📄 decls4.go(3.1 KB)
📄 decls5.go(363 B)
📄 errors.go(2.16 KB)
📄 expr0.go(3.7 KB)
📄 expr1.go(2.61 KB)
📄 expr2.go(4.92 KB)
📄 expr3.go(15.42 KB)
📄 funcinference.go(2.07 KB)
📄 go1_12.go(1.07 KB)
📄 go1_13.go(402 B)
📄 go1_16.go(343 B)
📄 go1_8.go(333 B)
📄 gotos.go(5.77 KB)
📄 importC.go(1.23 KB)
📁 importdecl0
📁 importdecl1
📄 init0.go(1.91 KB)
📄 init1.go(1.46 KB)
📄 init2.go(3.51 KB)
📁 issue25008
📄 issues0.go(11.44 KB)
📄 issues1.go(6.02 KB)
📄 labels.go(3.25 KB)
📄 linalg.go(2.24 KB)
📄 literals.go(2.35 KB)
📄 main0.go(361 B)
📄 main1.go(250 B)
📄 map0.go(2.82 KB)
📄 map1.go(3.4 KB)
📄 methodsets.go(3.44 KB)
📄 shifts.go(12.62 KB)
📄 slices.go(1.51 KB)
📄 stmt0.go(18.68 KB)
📄 stmt1.go(3.31 KB)
📄 typeinference.go(1.38 KB)
📄 typeinst0.go(1.62 KB)
📄 typeinst1.go(5.65 KB)
📄 typeinstcycles.go(384 B)
📄 typeparams.go(15.06 KB)
📄 unions.go(2.15 KB)
📄 vardecl.go(5.47 KB)

Editing: conversions1.go

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test various valid and invalid struct assignments and conversions.
// Does not compile.

package conversions2

type I interface {
	m()
}

// conversions between structs

func _() {
	type S struct{}
	type T struct{}
	var s S
	var t T
	var u struct{}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u
	s = S(s)
	s = S(t)
	s = S(u)
	t = u
	t = T(u)
}

func _() {
	type S struct{ x int }
	type T struct {
		x int "foo"
	}
	var s S
	var t T
	var u struct {
		x int "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = S(s)
	s = S(t)
	s = S(u)
	t = u // ERROR "cannot use .* in assignment"
	t = T(u)
}

func _() {
	type E struct{ x int }
	type S struct{ x E }
	type T struct {
		x E "foo"
	}
	var s S
	var t T
	var u struct {
		x E "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = S(s)
	s = S(t)
	s = S(u)
	t = u // ERROR "cannot use .* in assignment"
	t = T(u)
}

func _() {
	type S struct {
		x struct {
			x int "foo"
		}
	}
	type T struct {
		x struct {
			x int "bar"
		} "foo"
	}
	var s S
	var t T
	var u struct {
		x struct {
			x int "bar"
		} "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = S(s)
	s = S(t)
	s = S(u)
	t = u // ERROR "cannot use .* in assignment"
	t = T(u)
}

func _() {
	type E1 struct {
		x int "foo"
	}
	type E2 struct {
		x int "bar"
	}
	type S struct{ x E1 }
	type T struct {
		x E2 "foo"
	}
	var s S
	var t T
	var u struct {
		x E2 "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = S(s)
	s = S(t /* ERROR "cannot convert" */ )
	s = S(u /* ERROR "cannot convert" */ )
	t = u   // ERROR "cannot use .* in assignment"
	t = T(u)
}

func _() {
	type E struct{ x int }
	type S struct {
		f func(struct {
			x int "foo"
		})
	}
	type T struct {
		f func(struct {
			x int "bar"
		})
	}
	var s S
	var t T
	var u struct{ f func(E) }
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = S(s)
	s = S(t)
	s = S(u /* ERROR "cannot convert" */ )
	t = u   // ERROR "cannot use .* in assignment"
	t = T(u /* ERROR "cannot convert" */ )
}

// conversions between pointers to structs

func _() {
	type S struct{}
	type T struct{}
	var s *S
	var t *T
	var u *struct{}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = (*S)(s)
	s = (*S)(t)
	s = (*S)(u)
	t = u // ERROR "cannot use .* in assignment"
	t = (*T)(u)
}

func _() {
	type S struct{ x int }
	type T struct {
		x int "foo"
	}
	var s *S
	var t *T
	var u *struct {
		x int "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = (*S)(s)
	s = (*S)(t)
	s = (*S)(u)
	t = u // ERROR "cannot use .* in assignment"
	t = (*T)(u)
}

func _() {
	type E struct{ x int }
	type S struct{ x E }
	type T struct {
		x E "foo"
	}
	var s *S
	var t *T
	var u *struct {
		x E "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = (*S)(s)
	s = (*S)(t)
	s = (*S)(u)
	t = u // ERROR "cannot use .* in assignment"
	t = (*T)(u)
}

func _() {
	type S struct {
		x struct {
			x int "foo"
		}
	}
	type T struct {
		x struct {
			x int "bar"
		} "foo"
	}
	var s *S
	var t *T
	var u *struct {
		x struct {
			x int "bar"
		} "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = (*S)(s)
	s = (*S)(t)
	s = (*S)(u)
	t = u // ERROR "cannot use .* in assignment"
	t = (*T)(u)
}

func _() {
	type E1 struct {
		x int "foo"
	}
	type E2 struct {
		x int "bar"
	}
	type S struct{ x E1 }
	type T struct {
		x E2 "foo"
	}
	var s *S
	var t *T
	var u *struct {
		x E2 "bar"
	}
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = (*S)(s)
	s = (*S)(t /* ERROR "cannot convert" */ )
	s = (*S)(u /* ERROR "cannot convert" */ )
	t = u      // ERROR "cannot use .* in assignment"
	t = (*T)(u)
}

func _() {
	type E struct{ x int }
	type S struct {
		f func(struct {
			x int "foo"
		})
	}
	type T struct {
		f func(struct {
			x int "bar"
		})
	}
	var s *S
	var t *T
	var u *struct{ f func(E) }
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = (*S)(s)
	s = (*S)(t)
	s = (*S)(u /* ERROR "cannot convert" */ )
	t = u      // ERROR "cannot use .* in assignment"
	t = (*T)(u /* ERROR "cannot convert" */ )
}

func _() {
	type E struct{ x int }
	type S struct {
		f func(*struct {
			x int "foo"
		})
	}
	type T struct {
		f func(*struct {
			x int "bar"
		})
	}
	var s *S
	var t *T
	var u *struct{ f func(E) }
	s = s
	s = t // ERROR "cannot use .* in assignment"
	s = u // ERROR "cannot use .* in assignment"
	s = (*S)(s)
	s = (*S)(t)
	s = (*S)(u /* ERROR "cannot convert" */ )
	t = u      // ERROR "cannot use .* in assignment"
	t = (*T)(u /* ERROR "cannot convert" */ )
}

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Editing: conversions1.go

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