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.\" Copyright (c) 2026 Bruce Hill
.\" All rights reserved.
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.TH Num.parse 3 2026-08-27 "Tomo man-pages"
.SH NAME
Num.parse \- parse text as a number
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Num.parse\ :\ func(text:\ Text\ ->\ Num?)
.fi
.SH DESCRIPTION
The exact number a piece of text denotes. Both decimals and fractions are accepted, and both are read exactly: "0.1" is a tenth, not the nearest float to one.


.SH ARGUMENTS

.TS
allbox;
lb lb lbx
l l l.
Name	Type	Description
text	Text	The text to parse. 
.TE
.SH RETURN
The number, or `none` if the text isn't one.

.SH EXAMPLES
.EX
assert Num.parse("0.1")! == 0.1
assert Num.parse("22/7")! == 22./7.
assert Num.parse("nope") == none
.EE
.SH SEE ALSO
.BR Tomo-Num (3)