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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 (char, byte) -> double}.
 *
 * @param  the {@code Exception} type that the operation may throw
 */
@FunctionalInterface
public interface CharByteToDblE {

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

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

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

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

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

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

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