13 lines
373 B
Java
13 lines
373 B
Java
package ctbrec.variableexpansion.functions;
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import ctbrec.variableexpansion.VarArgsFunction;
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import java.util.Optional;
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public class Upper implements VarArgsFunction<Object, String> {
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@Override
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public String apply(Object[] params) {
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return Optional.ofNullable(params).map(sa -> sa[0]).map(String.class::cast).map(String::toUpperCase).orElse("");
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}
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}
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