'\" t .\" Copyright (c) 2025 Bruce Hill .\" All rights reserved. .\" .TH Table.has 3 2025-11-29 "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 l l l. Name Type Description 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 .SH SEE ALSO .BR Tomo-Table (3)