CGAL 6.2 - 2D and 3D Linear Geometry Kernel

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Kernel::LessX_2 Concept Reference
Reference Manual » Concepts » Kernel Function Object Concepts

## Definition

Refines
  `AdaptableBinaryFunction`

See also
  `CGAL::compare_x()`

## Operations
A model of this concept must provide:
bool | operator() (const Kernel::Point_2 &p, const Kernel::Point_2 &q)
| returns true iff the \( x\)-coordinate of `p` is smaller than the \( x\)-coordinate of `q`.