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//usr/share/zsh/5.0.2/functions/_call_function
#autoload # Utility function to call a function if it exists. # # Usage: _call_function <return> <name> [ <args> ... ] # # If a function named <name> is defined (or defined to be autoloaded), # it is called. If <return> is given not the string `-' or empty, it is # taken as the name of a parameter and the return status of the function # called is stored in this parameter. All other arguments are given # to the function called. # The return value of this function is zero if the function was # called and non-zero otherwise. local _name _ret [[ "$1" != (|-) ]] && _name="$1" shift if (( $+functions[$1] )); then "$@" _ret="$?" [[ -n "$_name" ]] && eval "${_name}=${_ret}" compstate[restore]='' return 0 fi return 1
