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cosmetic change only:

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- slightly simplified a couple of productions (CommClause, SwitchClause)
  by reordering

R=r
DELTA=5  (0 added, 0 deleted, 5 changed)
OCL=23304
CL=23323
This commit is contained in:
Robert Griesemer 2009-01-22 15:16:48 -08:00
parent d9abca81c0
commit ae299f0d69
1 changed files with 5 additions and 5 deletions
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10
doc/go_spec.txt
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@ -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 .