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cheald/kwargs.java Secret

Created November 11, 2014 20:03
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kwargs.java
public static void validateKeywordArgs(ThreadContext context, RubyHash options, IRubyObject[] validKeys) {
RubyArray delta = (RubyArray)options.keys().op_diff(context.runtime.newArray(validKeys));
for (int i = 0; i < delta.length().getIntValue(); i++) {
context.runtime.newArgumentError("unknown keyword: " + delta.at(context.runtime.newFixnum(i)));
}
}
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