splice

From The K Language Wiki
Splice
?[x;(s;e);z]
Supported in K5,K6

splice is a special form of the ? verb which takes 3 arguments.

  • x is the array to be modified.
  • (s;e) is a two element array indicating start index and end index
  • z is the replacement array.

In ngn/k, splice removes the portion of the array x from s to e, exclusive of e and inserts z in that place. 

 ?["abcd";3 3;"x"]
"abcxd"
 ?["abcd";3 4;"x"]
"abcx"
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