map-environment

map-environment Function

Summary

Maps functions over the bindings in an environment.

Package

system

Signature

map-environment env &key variable function block tag

Arguments

`env`⇩	An environment or `nil`.
`variable`⇩	A function designator.
`function`⇩	A function designator.
`block`⇩	A function designator.
`tag`⇩	A function designator.

Description

The function map-environment calls variable for each local variable binding in env, function for each local function binding in env, block for each block binding in env and tag for each tag binding in env.

variable is called with the following arguments: name kind info.

`name`	A symbol naming a variable.
`kind`	One of `:special`, `:symbol-macro` or `:lexical`, which specifies the kind of binding (see variable-information).
`info`	The symbol-macro expansion if `kind` is `:symbol-macro` and is unspecified otherwise.

function is called with the following arguments: name kind info.

`name`	A symbol or list of the form `(setf symbol)` naming a function.
`kind`	One of `:macro` or `:function`, which specifies the kind of binding (see function-information).
`info`	The macro expansion function if `kind` is `:macro` and is unspecified otherwise.

block is called with the following arguments: name kind info.

`name`	A symbol naming a block in a block form.
`kind`	The keyword `:block`.
`info`	Unspecified.

tag is called with the following arguments: name kind info.

`name`	A symbol or integer naming a tag in a tagbody form.
`kind`	The keyword `:tag`.
`info`	Unspecified.