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<head><title>constParser -- produce a parser that accepts a fixed string, one character at a time</title>
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<div><a href="index.html" title="a framework for building parsers">Parsing</a> > <a href="___Parser.html" title="the class of all parsers">Parser</a> > <a href="_const__Parser.html" title="produce a parser that accepts a fixed string, one character at a time">constParser</a></div>
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<div><h1>constParser -- produce a parser that accepts a fixed string, one character at a time</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>constParser s</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>s</tt>, <span>a <a href="../../Macaulay2Doc/html/___String.html">string</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span><span>a <a href="___Parser.html">parser</a></span>, a parser that accepts (and returns) the string s, one character at a time</span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : constParser "abc"
o1 = {*Function[/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Parsing.m2:146:50-146:145]*}
o1 : Parser</pre>
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<tr><td><pre>i2 : oo "a"
o2 = {*Function[/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Parsing.m2:146:50-146:145]*}
o2 : Parser</pre>
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<tr><td><pre>i3 : oo "a"</pre>
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<tr><td><pre>i4 : ooo "b"
o4 = {*Function[/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Parsing.m2:146:50-146:145]*}
o4 : Parser</pre>
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<tr><td><pre>i5 : oo "c"
o5 = {*Function[/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Parsing.m2:146:50-146:145]*}
o5 : Parser</pre>
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<tr><td><pre>i6 : oo null
o6 = abc</pre>
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<tr><td><pre>i7 : (constParser "abc" : charAnalyzer) "abc"
o7 = abc</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="___Parser_sp_co_sp__Analyzer.html" title="combine a parser with a lexical analyzer to make a complete system">Parser : Analyzer</a> -- combine a parser with a lexical analyzer to make a complete system</span></li>
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