Gather

可用

Groups identical elements together, maintaining order of first appearance.

形式

Gather[list]

Gather[list, test]

验证过的示例Gather[{1, 1, 2, 2, 1}] → {{1, 1, 1}, {2, 2}}Gather[{a, b, a, c, b}] → {{a, a}, {b, b}, {c}}

在 Qurak 上运行搜索参考

主题

Elements Of Lists - Finding Sublists
List Manipulation - Rearranging & Restructuring Lists »
New In70 Alphabetical Listing - G
New In70 Core Language - New in List Manipulation
New In70 Lists And Matrices - List Operations
Rearranging And Restructuring Lists - Sequence-Oriented Operations

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