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See the recommended documentation of this function

Scilab manual >> Data Structures > isfield

isfield

指定したフィールド名が構造体の中にあるかどうか調べる

呼び出し手順

bool = isfield(s,fieldname)

パラメータ

s

構造体配列

fieldname

文字列の行列

bool

論理値の行列.

説明

この関数は指定した構造体 "s" がその値によらず, フィールド "field" を有する場合に true を返します.

s = struct("field_1",123,"field_2",456,"field_4",789)

// Single Fieldname Syntax
isfield( s , "field_1"  )

// Multiple Fieldname Syntax
isfield( s , [ "field_1" "field_2" ; "field_3" "field_4" ] )
<< iscellstr Data Structures isstruct >>

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Last updated:
Wed Jan 26 16:25:13 CET 2011