Lazy Class Reference

Emulate lazy computation. More...

#include <opt_explain_format.h>

Inheritance diagram for Lazy:

Public Member Functions
virtual	~Lazy ()
virtual bool	eval (String *ret)=0
	Deferred evaluation of encapsulated expression. More...

Detailed Description

Emulate lazy computation.

Constructor & Destructor Documentation

~Lazy()

virtual Lazy::~Lazy ( )

inlinevirtual

Member Function Documentation

eval()

virtual bool Lazy::eval ( String *  ret )

pure virtual

Deferred evaluation of encapsulated expression.

Parameters

[out]

ret

Return string value

Return values

false	Success
true	Failure (OOM)

Implemented in Explain::Lazy_condition.

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The documentation for this class was generated from the following file:

• sql/opt_explain_format.h