go interbasic 源码
golang interbasic 代码
文件路径：/test/ken/interbasic.go
// run
// Copyright 2009 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 interfaces on basic types.
package main
type myint int
type mystring string
type I0 interface{}
func f() {
var ia, ib I0
var i myint
var s mystring
if ia != ib {
panic("1")
}
i = 1
ia = i
ib = i
if ia != ib {
panic("2")
}
if ia == nil {
panic("3")
}
i = 2
ia = i
if ia == ib {
panic("4")
}
ia = nil
if ia == ib {
panic("5")
}
ib = nil
if ia != ib {
panic("6")
}
if ia != nil {
panic("7")
}
s = "abc"
ia = s
ib = nil
if ia == ib {
panic("8")
}
s = "def"
ib = s
if ia == ib {
panic("9")
}
s = "abc"
ib = s
if ia != ib {
panic("a")
}
}
func main() {
var ia [20]I0
var b bool
var s string
var i8 int8
var i16 int16
var i32 int32
var i64 int64
var u8 uint8
var u16 uint16
var u32 uint32
var u64 uint64
f()
ia[0] = "xxx"
ia[1] = 12345
ia[2] = true
s = "now is"
ia[3] = s
b = false
ia[4] = b
i8 = 29
ia[5] = i8
i16 = 994
ia[6] = i16
i32 = 3434
ia[7] = i32
i64 = 1234567
ia[8] = i64
u8 = 12
ia[9] = u8
u16 = 799
ia[10] = u16
u32 = 4455
ia[11] = u32
u64 = 765432
ia[12] = u64
s = ia[0].(string)
if s != "xxx" {
println(0, s)
panic("fail")
}
i32 = int32(ia[1].(int))
if i32 != 12345 {
println(1, i32)
panic("fail")
}
b = ia[2].(bool)
if b != true {
println(2, b)
panic("fail")
}
s = ia[3].(string)
if s != "now is" {
println(3, s)
panic("fail")
}
b = ia[4].(bool)
if b != false {
println(4, b)
panic("fail")
}
i8 = ia[5].(int8)
if i8 != 29 {
println(5, i8)
panic("fail")
}
i16 = ia[6].(int16)
if i16 != 994 {
println(6, i16)
panic("fail")
}
i32 = ia[7].(int32)
if i32 != 3434 {
println(7, i32)
panic("fail")
}
i64 = ia[8].(int64)
if i64 != 1234567 {
println(8, i64)
panic("fail")
}
u8 = ia[9].(uint8)
if u8 != 12 {
println(5, u8)
panic("fail")
}
u16 = ia[10].(uint16)
if u16 != 799 {
println(6, u16)
panic("fail")
}
u32 = ia[11].(uint32)
if u32 != 4455 {
println(7, u32)
panic("fail")
}
u64 = ia[12].(uint64)
if u64 != 765432 {
println(8, u64)
panic("fail")
}
}
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