1 // errorcheck 2 3 // Copyright 2011 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Test map declarations of many types, including erroneous ones. 8 // Does not compile. 9 10 package main 11 12 type v bool 13 14 var ( 15 // valid 16 _ map[int8]v 17 _ map[uint8]v 18 _ map[int16]v 19 _ map[uint16]v 20 _ map[int32]v 21 _ map[uint32]v 22 _ map[int64]v 23 _ map[uint64]v 24 _ map[int]v 25 _ map[uint]v 26 _ map[uintptr]v 27 _ map[float32]v 28 _ map[float64]v 29 _ map[complex64]v 30 _ map[complex128]v 31 _ map[bool]v 32 _ map[string]v 33 _ map[chan int]v 34 _ map[*int]v 35 _ map[struct{}]v 36 _ map[[10]int]v 37 38 // invalid 39 _ map[[]int]v // ERROR "invalid map key" 40 _ map[func()]v // ERROR "invalid map key" 41 _ map[map[int]int]v // ERROR "invalid map key" 42 _ map[T1]v // ERROR "invalid map key" 43 _ map[T2]v // ERROR "invalid map key" 44 _ map[T3]v // ERROR "invalid map key" 45 _ map[T4]v // ERROR "invalid map key" 46 _ map[T5]v 47 _ map[T6]v 48 _ map[T7]v 49 _ map[T8]v 50 ) 51 52 type T1 []int 53 type T2 struct { F T1 } 54 type T3 []T4 55 type T4 struct { F T3 } 56 57 type T5 *int 58 type T6 struct { F T5 } 59 type T7 *T4 60 type T8 struct { F *T7 } 61 62 func main() { 63 m := make(map[int]int) 64 delete() // ERROR "missing arguments" 65 delete(m) // ERROR "missing second \(key\) argument" 66 delete(m, 2, 3) // ERROR "too many arguments" 67 delete(1, m) // ERROR "first argument to delete must be map" 68 }
