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'\" t
.\" Copyright (c) 2025 Bruce Hill
.\" All rights reserved.
.\"
.TH Table.has 3 2025-09-21 "Tomo man-pages"
.SH NAME
Table.has \- check for a key
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Table.has\ :\ func(t:\ {K:V},\ key:\ K\ ->\ Bool)
.fi
.SH DESCRIPTION
Checks if the table contains a specified key.
.SH ARGUMENTS
.TS
allbox;
lb lb lbx lb
l l l l.
Name Type Description Default
t {K:V} The table. -
key K The key to check for presence. -
.TE
.SH RETURN
`yes` if the key is present, `no` otherwise.
.SH EXAMPLES
.EX
assert {"A": 1, "B": 2}.has("A") == yes
assert {"A": 1, "B": 2}.has("xxx") == no
.EE
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