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Provides functional interfaces for most two-argument functions
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package net.mintern.functions.binary.checked;

/**
 * An operation of type {@code (boolean, char) -> boolean}.
 *
 * @param  the {@code Exception} type that the operation may throw
 */
@FunctionalInterface
public interface BoolCharToBoolE {

    /**
     * Performs this operation.
     *
     * @param bool argument 1
     * @param ch argument 2
     * @return the result of the operation
     * @throws E if the operation cannot be completed
     */
    boolean call(boolean bool, char ch) throws E;

    /**
     * Binds {@code (bool)} to the beginning of {@code f}, returning a new function
     * of type {@code (char) -> boolean}.
     *
     * @param  the {@code Exception} type that the operation may throw
     * @param f the unbound function
     * @param bool argument 1
     * @return a new function {@code (char ch) -> boolean} that calls
     *      {@code f.call(bool, ch)} and returns the result.
     */
    static  net.mintern.functions.unary.checked.CharToBoolE
    bind(BoolCharToBoolE f, boolean bool) {
        return (ch) -> f.call(bool, ch);
    }

    /**
     * Binds {@code (bool)} to the beginning of {@code this}, returning a new function
     * of type {@code (char) -> boolean}.
     *
     * @param bool argument 1
     * @return a new function {@code (char ch) -> boolean} that calls
     *      {@code this.call(bool, ch)} and returns the result.
     */
    default net.mintern.functions.unary.checked.CharToBoolE bind(boolean bool) {
        return BoolCharToBoolE.bind(this, bool);
    }

    /**
     * Binds {@code (ch)} to the end of {@code f}, returning a new function
     * of type {@code (boolean) -> boolean}.
     *
     * @param  the {@code Exception} type that the operation may throw
     * @param f the unbound function
     * @param ch argument 2
     * @return a new function {@code (boolean bool) -> boolean} that calls
     *      {@code f.call(bool, ch)} and returns the result.
     */
    static  net.mintern.functions.unary.checked.BoolToBoolE
    rbind(BoolCharToBoolE f, char ch) {
        return (bool) -> f.call(bool, ch);
    }

    /**
     * Binds {@code (ch)} to the end of {@code this}, returning a new function
     * of type {@code (boolean) -> boolean}.
     *
     * @param ch argument 2
     * @return a new function {@code (boolean bool) -> boolean} that calls
     *      {@code this.call(bool, ch)} and returns the result.
     */
    default net.mintern.functions.unary.checked.BoolToBoolE rbind(char ch) {
        return BoolCharToBoolE.rbind(this, ch);
    }

    /**
     * Binds {@code (bool, ch)} to {@code f}, returning a new function
     * of type {@code () -> boolean}.
     *
     * @param  the {@code Exception} type that the operation may throw
     * @param f the unbound function
     * @param bool argument 1
     * @param ch argument 2
     * @return a new function {@code () -> boolean} that calls
     *      {@code f.call(bool, ch)} and returns the result.
     */
    static  net.mintern.functions.nullary.checked.NilToBoolE
    bind(BoolCharToBoolE f, boolean bool, char ch) {
        return () -> f.call(bool, ch);
    }

    /**
     * Binds {@code (bool, ch)} to {@code this}, returning a new function
     * of type {@code () -> boolean}.
     *
     * @param bool argument 1
     * @param ch argument 2
     * @return a new function {@code () -> boolean} that calls
     *      {@code this.call(bool, ch)} and returns the result.
     */
    default net.mintern.functions.nullary.checked.NilToBoolE bind(boolean bool, char ch) {
        return BoolCharToBoolE.bind(this, bool, ch);
    }
}