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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, int) -> R}.
 *
 * @param  the type of the return value
 * @param  the {@code Exception} type that the operation may throw
 */
@FunctionalInterface
public interface BoolIntToObjE {

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

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

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

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

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

    /**
     * Binds {@code (bool, i)} to {@code f}, returning a new function
     * of type {@code () -> R}.
     *
     * @param  the type of the return value
     * @param  the {@code Exception} type that the operation may throw
     * @param f the unbound function
     * @param bool argument 1
     * @param i argument 2
     * @return a new function {@code () -> R} that calls
     *      {@code f.call(bool, i)} and returns the result.
     */
    @SuppressWarnings("unchecked") // maven spuriously warns about a type error in this case
    static  net.mintern.functions.nullary.checked.NilToObjE
    bind(BoolIntToObjE f, boolean bool, int i) {
        return () -> f.call(bool, i);
    }

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