From ae299f0d6997329183e1709c28aeadb1c814b092 Mon Sep 17 00:00:00 2001 From: Robert Griesemer Date: Thu, 22 Jan 2009 15:16:48 -0800 Subject: [PATCH] cosmetic change only: - slightly simplified a couple of productions (CommClause, SwitchClause) by reordering R=r DELTA=5 (0 added, 0 deleted, 5 changed) OCL=23304 CL=23323 --- doc/go_spec.txt | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/doc/go_spec.txt b/doc/go_spec.txt index 50a647d55b..6a64d5e4c6 100644 --- a/doc/go_spec.txt +++ b/doc/go_spec.txt @@ -3,7 +3,7 @@ The Go Programming Language Specification (DRAFT) Robert Griesemer, Rob Pike, Ken Thompson -(January 16, 2009) +(January 22, 2009) ---- @@ -2638,8 +2638,8 @@ Switch statements Switches provide multi-way execution. SwitchStat = "switch" [ [ Simplestat ] ";" ] [ Expression ] "{" { CaseClause } "}" . - CaseClause = Case [ StatementList ] . - Case = ( "case" ExpressionList | "default" ) ":" . + CaseClause = SwitchCase ":" [ StatementList ] . + SwitchCase = "case" ExpressionList | "default" . There can be at most one default case in a switch statement. In a case clause, the last statement only may be a fallthrough statement ($Fallthrough statement). @@ -2810,8 +2810,8 @@ will proceed. It looks similar to a switch statement but with the cases all referring to communication operations. SelectStat = "select" "{" { CommClause } "}" . - CommClause = CommCase [ StatementList ] . - CommCase = ( "default" | ( "case" ( SendExpr | RecvExpr) ) ) ":" . + CommClause = CommCase ":" [ StatementList ] . + CommCase = "case" ( SendExpr | RecvExpr) | "default" . SendExpr = Expression "<-" Expression . RecvExpr = [ Expression ( "=" | ":=" ) ] "<-" Expression . -- 2.48.1