...
Run Format

Source file test/map1.go

Documentation: test

  // errorcheck
  
  // Copyright 2011 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 map declarations of many types, including erroneous ones.
  // Does not compile.
  
  package main
  
  type v bool
  
  var (
  	// valid
  	_ map[int8]v
  	_ map[uint8]v
  	_ map[int16]v
  	_ map[uint16]v
  	_ map[int32]v
  	_ map[uint32]v
  	_ map[int64]v
  	_ map[uint64]v
  	_ map[int]v
  	_ map[uint]v
  	_ map[uintptr]v
  	_ map[float32]v
  	_ map[float64]v
  	_ map[complex64]v
  	_ map[complex128]v
  	_ map[bool]v
  	_ map[string]v
  	_ map[chan int]v
  	_ map[*int]v
  	_ map[struct{}]v
  	_ map[[10]int]v
  
  	// invalid
  	_ map[[]int]v       // ERROR "invalid map key"
  	_ map[func()]v      // ERROR "invalid map key"
  	_ map[map[int]int]v // ERROR "invalid map key"
  	_ map[T1]v    // ERROR "invalid map key"
  	_ map[T2]v    // ERROR "invalid map key"
  	_ map[T3]v    // ERROR "invalid map key"
  	_ map[T4]v    // ERROR "invalid map key"
  	_ map[T5]v
  	_ map[T6]v
  	_ map[T7]v
  	_ map[T8]v
  )
  
  type T1 []int
  type T2 struct { F T1 }
  type T3 []T4
  type T4 struct { F T3 }
  
  type T5 *int
  type T6 struct { F T5 }
  type T7 *T4
  type T8 struct { F *T7 }
  
  func main() {
  	m := make(map[int]int)
  	delete()        // ERROR "missing arguments"
  	delete(m)       // ERROR "missing second \(key\) argument"
  	delete(m, 2, 3) // ERROR "too many arguments"
  	delete(1, m)    // ERROR "first argument to delete must be map"
  }

View as plain text