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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: decls1.go

// Copyright 2012 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.

// variable declarations

package decls1

import (
	"math"
)

// Global variables without initialization
var (
	a, b bool
	c byte
	d uint8
	r rune
	i int
	j, k, l int
	x, y float32
	xx, yy float64
	u, v complex64
	uu, vv complex128
	s, t string
	array []byte
	iface interface{}

blank _ /* ERROR "cannot use _" */
)

// Global variables with initialization
var (
	s1 = i + j
	s2 = i /* ERROR "mismatched types" */ + x
	s3 = c + d
	s4 = s + t
	s5 = s /* ERROR "invalid operation" */ / t
	s6 = array[t1]
	s7 = array[x /* ERROR "integer" */]
	s8 = &a
	s10 = &42 /* ERROR "cannot take address" */
	s11 = &v
	s12 = -(u + *t11) / *&v
	s13 = a /* ERROR "shifted operand" */ << d
	s14 = i << j
	s18 = math.Pi * 10.0
	s19 = s1 /* ERROR "cannot call" */ ()
 	s20 = f0 /* ERROR "no value" */ ()
	s21 = f6(1, s1, i)
	s22 = f6(1, s1, uu /* ERROR "cannot use .* in argument" */ )

t1 int = i + j
	t2 int = i /* ERROR "mismatched types" */ + x
	t3 int = c /* ERROR "cannot use .* variable declaration" */ + d
	t4 string = s + t
	t5 string = s /* ERROR "invalid operation" */ / t
	t6 byte = array[t1]
	t7 byte = array[x /* ERROR "must be integer" */]
	t8 *int = & /* ERROR "cannot use .* variable declaration" */ a
	t10 *int = &42 /* ERROR "cannot take address" */
	t11 *complex64 = &v
	t12 complex64 = -(u + *t11) / *&v
	t13 int = a /* ERROR "shifted operand" */ << d
	t14 int = i << j
	t15 math /* ERROR "not in selector" */
	t16 math.xxx /* ERROR "not declared" */
	t17 math /* ERROR "not a type" */ .Pi
	t18 float64 = math.Pi * 10.0
	t19 int = t1 /* ERROR "cannot call" */ ()
	t20 int = f0 /* ERROR "no value" */ ()
	t21 int = a /* ERROR "cannot use .* variable declaration" */
)

// Various more complex expressions
var (
	u1 = x /* ERROR "not an interface" */ .(int)
	u2 = iface.([]int)
	u3 = iface.(a /* ERROR "not a type" */ )
	u4, ok = iface.(int)
	u5, ok2, ok3 = iface /* ERROR "cannot initialize" */ .(int)
)

// Constant expression initializations
var (
	v1 = 1 /* ERROR "mismatched types untyped int and untyped string" */ + "foo"
	v2 = c + 255
	v3 = c + 256 /* ERROR "overflows" */
	v4 = r + 2147483647
	v5 = r + 2147483648 /* ERROR "overflows" */
	v6 = 42
	v7 = v6 + 9223372036854775807
	v8 = v6 + 9223372036854775808 /* ERROR "overflows" */
	v9 = i + 1 << 10
	v10 byte = 1024 /* ERROR "overflows" */
	v11 = xx/yy*yy - xx
	v12 = true && false
	v13 = nil /* ERROR "use of untyped nil" */
)

// Multiple assignment expressions
var (
	m1a, m1b = 1, 2
	m2a, m2b, m2c /* ERROR "missing init expr for m2c" */ = 1, 2
	m3a, m3b = 1, 2, 3 /* ERROR "extra init expr 3" */
)

func _() {
	var (
		m1a, m1b = 1, 2
		m2a, m2b, m2c /* ERROR "missing init expr for m2c" */ = 1, 2
		m3a, m3b = 1, 2, 3 /* ERROR "extra init expr 3" */
	)

_, _ = m1a, m1b
	_, _, _ = m2a, m2b, m2c
	_, _ = m3a, m3b
}

// Declaration of parameters and results
func f0() {}
func f1(a /* ERROR "not a type" */) {}
func f2(a, b, c d /* ERROR "not a type" */) {}

func f3() int { return 0 }
func f4() a /* ERROR "not a type" */ { return 0 }
func f5() (a, b, c d /* ERROR "not a type" */) { return }

func f6(a, b, c int) complex128 { return 0 }

// Declaration of receivers
type T struct{}

func (T) m0() {}
func (*T) m1() {}
func (x T) m2() {}
func (x *T) m3() {}

// Initialization functions
func init() {}
func /* ERROR "no arguments and no return values" */ init(int) {}
func /* ERROR "no arguments and no return values" */ init() int { return 0 }
func /* ERROR "no arguments and no return values" */ init(int) int { return 0 }
func (T) init(int) int { return 0 }

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Editing: decls1.go

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