class TermBuf::ClusterPool

• TermBuf::ClusterPool
• Reference
• Object

Overview

Interns multi code point grapheme clusters so a Cell can carry a four byte id rather than a string reference. Id zero means the cell's own character says everything, which is the case for all but a handful of cells in practice.

Defined in:

termbuf/core/style_table.cr

Constant Summary

NONE = 0_u32

The id meaning "no cluster; read the cell's character instead".

Constructors

• .new

Instance Method Summary

• #[](id : UInt32) : String

  The cluster id refers to.

• #[]?(id : UInt32) : String | Nil

  The cluster id refers to, or nil for NONE.

• #id(text : String) : UInt32

  The id for text, assigning one if this is the first time it is seen.

• #size : Int32

  How many clusters have been interned.

Constructor Detail

Instance Method Detail