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definedfields

returns an index of list's defined fields

Syntax

k = definedfields(lst)

Arguments

lst

a list, tlist or mlist variable.

k

a vector of index.

Description

If lst is a list, a tlist, a mlist k = definedfields(lst) returns in k the indices of the defined list fields. This function is useful because indexing undefined fields produces an error.

Examples

lst=list(1);lst(3)=5
k=definedfields(lst)

t=tlist('x');t(5)=4
definedfields(t)

m=mlist(['m','a','b']);m.b='sdfgfgd'
definedfields(m)

See also

  • list — a Scilab object and a list definition function
  • tlist — Scilab object and typed list definition.
  • mlist — Scilab object, matrix oriented typed list definition
  • insertion — partial variable assignation or modification
  • extraction — matrix and list entry extraction
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Last updated:
Mon Nov 07 14:58:56 CET 2022