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//: com:bruceeckel:tools:debug:Assert.java
// Assertion tool for debugging.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
public class Assert {
private static void perr(String msg) {
System.err.println(msg);
}
public static final void is_true(boolean exp) {
if(!exp) perr("Assertion failed");
}
public static final void is_false(boolean exp) {
if(exp) perr("Assertion failed");
}
public static final void
is_true(boolean exp, String msg) {
if(!exp) perr("Assertion failed: " + msg);
}
public static final void
is_false(boolean exp, String msg) {
if(exp) perr("Assertion failed: " + msg);
}
} ///:~
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