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## org.apache.tapestry5.plastic
Interface WhileCallback

    public interface WhileCallback

Callback used with `InstructionBuilder.doWhile(Condition, WhileCallback)`.

Method Summary
`void` | `buildBody(InstructionBuilder builder)` Provides the main code executed inside the loop.
`void` | `buildTest(InstructionBuilder builder)` Creates the code to be evaluated by the `Condition`; often this involves loading a value from a variable or argument, or `InstructionBuilder.dupe()`'ing the top value on the stack.

Method Detail

### buildTest

    void buildTest(InstructionBuilder builder)

  Creates the code to be evaluated by the `Condition`; often this involves loading a value from a variable or argument, or `InstructionBuilder.dupe()`'ing the top value on the stack.

### buildBody

    void buildBody(InstructionBuilder builder)

  Provides the main code executed inside the loop.

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