| // errorcheck |
| |
| // Copyright 2015 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. |
| |
| // Expects to see error messages on 'p' exponents. |
| |
| package main |
| |
| import "fmt" |
| |
| const ( |
| x1 = 1.1 // float |
| x2 = 1e10 // float |
| x3 = 0x1e10 // integer (e is a hex digit) |
| ) |
| |
| // 'p' exponents are invalid - the 'p' is not considered |
| // part of a floating-point number, but introduces a new |
| // (unexpected) name. |
| // |
| // Error recovery is not ideal and we use a new declaration |
| // each time for the parser to recover. |
| |
| const x4 = 0x1p10 // ERROR "unexpected p10" |
| const x5 = 1p10 // ERROR "unexpected p10" |
| const x6 = 0p0 // ERROR "unexpected p0" |
| |
| func main() { |
| fmt.Printf("%g %T\n", x1, x1) |
| fmt.Printf("%g %T\n", x2, x2) |
| fmt.Printf("%g %T\n", x3, x3) |
| fmt.Printf("%g %T\n", x4, x4) |
| fmt.Printf("%g %T\n", x5, x5) |
| fmt.Printf("%g %T\n", x6, x6) |
| } |