Math::String::Charset::Nested 1.27

Math::String::Charset::Nested is a charset for Math::String objects. SYNOPSIS use Math::String::Charset; # construct a charset from bigram table, and an initial set (containing # valid start-characters) # Note: After an a, either an b, c or a can follow, in this order # After an d only an a can follow $bi = new Math::String::Charset ( { start => a..d, bi => { a => [ b, c, a ], b => [ c, b ], c => [ a, c ], d => [ a, ], q => [ ], # q will be automatically in end } end => [ a, b, ], } ); print $bi->length(); # a,b => 2 (cross of end and start) print scalar $bi->class(2); # count of combinations with 2 letters # will be 3+2+2+1 => 8.

Requirements:	No special requirements
Platforms:	Linux
Keyword:	Charset,  Libraries,  Mathstringcharsetnested,  Programming
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