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Fixes the twiddle wakka comparison algorithm to support passing only a major number

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Rob
2019-04-19 14:27:12 -04:00
parent 05f65d2d42
commit 73bb144ef0
1 changed files with 6 additions and 4 deletions
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lib/mruby/gem.rb
+6 -4
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@@ -267,16 +267,18 @@ module MRuby
# ~> compare algorithm
#
# Example:
# ~> 2 means >= 2.0.0 and < 3.0.0
# ~> 2.2 means >= 2.2.0 and < 3.0.0
# ~> 2.2.0 means >= 2.2.0 and < 2.3.0
# ~> 2.2.2 means >= 2.2.2 and < 2.3.0
def twiddle_wakka_ok?(other)
gr_or_eql = (self <=> other) >= 0
still_minor = (self <=> other.skip_minor) < 0
gr_or_eql and still_minor
still_major_or_minor = (self <=> other.skip_major_or_minor) < 0
gr_or_eql and still_major_or_minor
end
def skip_minor
def skip_major_or_minor
a = @ary.dup
a << 0 if a.size == 1 # ~> 2 can also be represented as ~> 2.0
a.slice!(-1)
a[-1] = a[-1].succ
a