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| author | Frank Terbeck <ft@bewatermyfriend.org> | 2011-12-01 10:02:04 +0100 |
|---|---|---|
| committer | Frank Terbeck <ft@bewatermyfriend.org> | 2011-12-01 10:02:04 +0100 |
| commit | d8da5ea2f2bc5f837d0b364fff2636ebdb2f90ca (patch) | |
| tree | 9fd9a57486ac4702608d92088ffd91f52971244f /Doc/Zsh/func.yo | |
| parent | af2bb4fdb09414d21922d3fafe4e3a0ac1332f01 (diff) | |
| parent | 9d71f4c207fb34e8d64af0443c83231b1cc3b494 (diff) | |
| download | zsh-d8da5ea2f2bc5f837d0b364fff2636ebdb2f90ca.tar.gz zsh-d8da5ea2f2bc5f837d0b364fff2636ebdb2f90ca.zip | |
Merge commit 'zsh-4.3.13' into debian
Diffstat (limited to 'Doc/Zsh/func.yo')
| -rw-r--r-- | Doc/Zsh/func.yo | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/Doc/Zsh/func.yo b/Doc/Zsh/func.yo index 28bc6329a..7c391f80d 100644 --- a/Doc/Zsh/func.yo +++ b/Doc/Zsh/func.yo @@ -158,9 +158,20 @@ If no name is given for a function, it is `anonymous' and is handled specially. Either form of function definition may be used: a `tt(())' with no preceding name, or a `tt(function)' with an immediately following open brace. The function is executed immediately at the point of definition and -is not stored for future use. The function name is set to `tt((anon))' and -the parameter list passed to the function is empty. Note that this means -the argument list of any enclosing script or function is hidden. +is not stored for future use. The function name is set to `tt((anon))'. + +Arguments to the function may be specified as words following the +closing brace defining the function, hence if there are none no +arguments (other than tt($0)) are set. This is a difference from the +way other functions are parsed: normal function definitions may be +followed by certain keywords such as `tt(else)' or `tt(fi)', which will +be treated as arguments to anonymous functions, so that a newline or +semicolon is needed to force keyword interpretation. + +Note also that the argument list of any enclosing script or function is +hidden (as would be the case for any other function called at this +point). + Redirections may be applied to the anonymous function in the same manner as to a current-shell structure enclosed in braces. The main use of anonymous functions is to provide a scope for local variables. This is particularly @@ -172,13 +183,13 @@ For example, example(variable=outside function { local variable=inside - print "I am $variable" -} + print "I am $variable with arguments $*" +} this and that print "I am $variable") outputs the following: -example(I am inside +example(I am inside with arguments this and that I am outside) Note that function definitions with arguments that expand to nothing, |