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[wpiutil] Add Java function package (#3570)

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The standard Java package is missing BooleanConsumer as well as Float classes.

Update SendableBuilder to use it instead of internal BooleanConsumer
interface.
This commit is contained in:
Peter Johnson
2021-09-15 21:36:11 -07:00
committed by GitHub
parent 40c7645d6e
commit a52bf87b7d
5 changed files with 70 additions and 17 deletions
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22
wpiutil/src/main/java/edu/wpi/first/util/function/BooleanConsumer.java Normal file
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@@ -0,0 +1,22 @@
// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
package edu.wpi.first.util.function;
/**
* Represents an operation that accepts a single boolean-valued argument and returns no result. This
* is the primitive type specialization of {@link java.util.function.Consumer} for boolean. Unlike
* most other functional interfaces, BooleanConsumer is expected to operate via side-effects.
*
* <p>This is a functional interface whose functional method is {@link #accept(boolean)}.
*/
@FunctionalInterface
public interface BooleanConsumer {
/**
* Performs this operation on the given argument.
*
* @param value the input argument
*/
void accept(boolean value);
}

22
wpiutil/src/main/java/edu/wpi/first/util/function/FloatConsumer.java Normal file
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@@ -0,0 +1,22 @@
// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
package edu.wpi.first.util.function;
/**
* Represents an operation that accepts a single float-valued argument and returns no result. This
* is the primitive type specialization of {@link java.util.function.Consumer} for float. Unlike
* most other functional interfaces, BooleanConsumer is expected to operate via side-effects.
*
* <p>This is a functional interface whose functional method is {@link #accept(float)}.
*/
@FunctionalInterface
public interface FloatConsumer {
/**
* Performs this operation on the given argument.
*
* @param value the input argument
*/
void accept(float value);
}

24
wpiutil/src/main/java/edu/wpi/first/util/function/FloatSupplier.java Normal file
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@@ -0,0 +1,24 @@
// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
package edu.wpi.first.util.function;
/**
* Represents a supplier of float-valued results.
*
* <p>This is the float-producing primitive specialization of {@link java.util.function.Supplier}.
*
* <p>There is no requirement that a distinct result be returned each time the supplier is invoked.
*
* <p>This is a functional interface whose functional method is {@link #getAsFloat()}.
*/
@FunctionalInterface
public interface FloatSupplier {
/**
* Gets a result.
*
* @return a result
*/
float getAsFloat();
}

18
wpiutil/src/main/java/edu/wpi/first/util/sendable/SendableBuilder.java
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@@ -4,6 +4,7 @@
package edu.wpi.first.util.sendable;
import edu.wpi.first.util.function.BooleanConsumer;
import java.util.function.BooleanSupplier;
import java.util.function.Consumer;
import java.util.function.DoubleConsumer;
@@ -41,23 +42,6 @@ public interface SendableBuilder {
*/
void setSafeState(Runnable func);
/**
* Represents an operation that accepts a single boolean-valued argument and returns no result.
* This is the primitive type specialization of Consumer for boolean. Unlike most other functional
* interfaces, BooleanConsumer is expected to operate via side-effects.
*
* <p>This is a functional interface whose functional method is accept(boolean).
*/
@FunctionalInterface
interface BooleanConsumer {
/**
* Performs the operation on the given value.
*
* @param value the value
*/
void accept(boolean value);
}
/**
* Add a boolean property.
*