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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 (float, U) -> R}.
 *
 * @param  the type of argument 2
 * @param  the type of the return value
 * @param  the {@code Exception} type that the operation may throw
 */
@FunctionalInterface
public interface FloatObjToObjE {

    /**
     * Performs this operation.
     *
     * @param fl argument 1
     * @param u argument 2
     * @return the result of the operation
     * @throws E if the operation cannot be completed
     */
    R call(float fl, U u) throws E;

    /**
     * Binds {@code (fl)} to the beginning of {@code f}, returning a new function
     * of type {@code (U) -> R}.
     *
     * @param  the type of argument 2
     * @param  the type of the return value
     * @param  the {@code Exception} type that the operation may throw
     * @param f the unbound function
     * @param fl argument 1
     * @return a new function {@code (U u) -> R} that calls
     *      {@code f.call(fl, u)} and returns the result.
     */
    static  net.mintern.functions.unary.checked.ObjToObjE
    bind(FloatObjToObjE f, float fl) {
        return (u) -> f.call(fl, u);
    }

    /**
     * Binds {@code (fl)} to the beginning of {@code this}, returning a new function
     * of type {@code (U) -> R}.
     *
     * @param fl argument 1
     * @return a new function {@code (U u) -> R} that calls
     *      {@code this.call(fl, u)} and returns the result.
     */
    default net.mintern.functions.unary.checked.ObjToObjE bind(float fl) {
        return FloatObjToObjE.bind(this, fl);
    }

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

    /**
     * Binds {@code (u)} to the end of {@code this}, returning a new function
     * of type {@code (float) -> R}.
     *
     * @param u argument 2
     * @return a new function {@code (float fl) -> R} that calls
     *      {@code this.call(fl, u)} and returns the result.
     */
    default net.mintern.functions.unary.checked.FloatToObjE rbind(U u) {
        return FloatObjToObjE.rbind(this, u);
    }

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

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