| // errorcheck -lang=go1.12 | |
| // Copyright 2019 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. | |
| package p | |
| // numeric literals | |
| const ( | |
| _ = 1_000 // ERROR "underscores in numeric literals requires go1.13 or later \(-lang was set to go1.12; check go.mod\)|requires go1.13" | |
| _ = 0b111 // ERROR "binary literals requires go1.13 or later" | |
| _ = 0o567 // ERROR "0o/0O-style octal literals requires go1.13 or later" | |
| _ = 0xabc // ok | |
| _ = 0x0p1 // ERROR "hexadecimal floating-point literals requires go1.13 or later" | |
| _ = 0B111 // ERROR "binary" | |
| _ = 0O567 // ERROR "octal" | |
| _ = 0Xabc // ok | |
| _ = 0X0P1 // ERROR "hexadecimal floating-point" | |
| _ = 1_000i // ERROR "underscores" | |
| _ = 0b111i // ERROR "binary" | |
| _ = 0o567i // ERROR "octal" | |
| _ = 0xabci // ERROR "hexadecimal floating-point" | |
| _ = 0x0p1i // ERROR "hexadecimal floating-point" | |
| ) | |
| // signed shift counts | |
| var ( | |
| s int | |
| _ = 1 << s // ERROR "invalid operation: 1 << s \(signed shift count type int\) requires go1.13 or later|signed shift count" | |
| _ = 1 >> s // ERROR "signed shift count" | |
| ) |