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mailbox-not-empty-p

Function
Summary

Tests whether a mailbox has contents.

Package

mp

Signature

mailbox-not-empty-p mailbox => bool

Arguments

mailbox

A mailbox

Values

bool

A boolean

Description

The function mailbox-not-empty-p returns nil if the given mailbox is empty and t otherwise.

See also

mailbox-count
mailbox-empty-p
mailbox-send
mailbox-peek
mailbox-read
make-mailbox
Communication between processes and synchronization


LispWorks User Guide and Reference Manual - 20 Sep 2017

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