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matthieugomez 2015-11-10 10:01:45 -05:00
parent 0a2d96a848
commit b400105aa8
1 changed files with 8 additions and 2 deletions
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src/StringDistances.jl
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@ -36,8 +36,14 @@ graphemeiterator
##
## Define GraphemeIterator as AbstractString
##
## Argument for non inheritance: AbstractString is generally something that gives char as individual.
## Argument for inheritance: prevind, nextind, chr2ind are defined once start, next, done, isvalid, endof are defined. Also this allows to define functions with AbstractString signature & having SubString work.
## Argument for AbstractString inheritance:
## (i) prevind, nextind, chr2ind, are defined once start, next, done, isvalid, endof are defined
## (ii) SubString(x::GraphemeIterator, i, j) works
## (ii) I can define functions with AbstractString signature in this package (but I could also just define a union type)
## Argument for non inheritance:
## (i) AbstractString gives char as individual. Important for print_escaped & search.
## (ii) How to make split return GraphemeIterator rather than strings? How to join multiple GraphemeIterator w/o rewriting join?
##
##############################################################################
# from Base. I redefine it because I want AbstractStringinheritance
immutable GraphemeIterator{S<:AbstractString} <: AbstractString