diff options
Diffstat (limited to 'doc/proc.n')
| -rw-r--r-- | doc/proc.n | 25 |
1 files changed, 16 insertions, 9 deletions
@@ -5,10 +5,8 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: proc.n,v 1.11 2008/10/17 10:22:25 dkf Exp $ -'\" -.so man.macros .TH proc n "" Tcl "Tcl Built-In Commands" +.so man.macros .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME @@ -55,7 +53,7 @@ error). There is one special case to permit procedures with variable numbers of arguments. If the last formal argument has the name \fBargs\fR, then a call to the procedure may contain more actual arguments -than the procedure has formals. In this case, all of the actual arguments +than the procedure has formal arguments. In this case, all of the actual arguments starting at the one that would be assigned to \fBargs\fR are combined into a list (as if the \fBlist\fR command had been used); this combined value is assigned to the local variable \fBargs\fR. @@ -66,6 +64,12 @@ deleted when the procedure returns. One local variable is automatically created for each of the procedure's arguments. Other variables can only be accessed by invoking one of the \fBglobal\fR, \fBvariable\fR, \fBupvar\fR or \fBnamespace upvar\fR commands. +The current namespace when \fIbody\fR is executed will be the +namespace that the procedure's name exists in, which will be the +namespace that it was created in unless it has been changed with +\fBrename\fR. +'\" We may change this! It makes [variable] unstable when renamed and is +'\" frankly pretty crazy, but doing it right is harder than it looks. .PP The \fBproc\fR command returns an empty string. When a procedure is invoked, the procedure's return value is the value specified in a @@ -81,9 +85,9 @@ them out, one by one. .PP .CS \fBproc\fR printArguments args { - foreach arg $args { - puts $arg - } + foreach arg $args { + puts $arg + } } .CE .PP @@ -93,11 +97,14 @@ defaults to \fB2\fR: .PP .CS \fBproc\fR mult {varName {multiplier 2}} { - upvar 1 $varName var - set var [expr {$var * $multiplier}] + upvar 1 $varName var + set var [expr {$var * $multiplier}] } .CE .SH "SEE ALSO" info(n), unknown(n) .SH KEYWORDS argument, procedure +'\" Local Variables: +'\" mode: nroff +'\" End: |