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# File 'lib/primate/pema.rb', line 25
def parse(value, coerce = false)
return value if value.is_a?(TrueClass) || value.is_a?(FalseClass)
if coerce
case value
when String
return false if value.empty?
case value.downcase
when 'true', '1', 'yes', 'on'
return true
when 'false', '0', 'no', 'off'
return false
else
raise ValidationError, "cannot parse '#{value}' as boolean"
end
else
raise ValidationError, "cannot coerce #{value.class} to boolean"
end
end
raise ValidationError, "expected boolean, got #{value.class}"
end
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