Arguments Validators
List of predefined validators that can be used in arguments block.
| Name | Meaning | Example |
| mustBeA(value, datatype) | value must be of datatype or subtype |
mustBeA(x, ["double", "string"])
mustBeA(x, ["figure", "polyline"])
mustBeA(x, ["frame", "pushbutton"]) |
| mustBeEqualDims(value1, value2) mustBeEqualDims(value1, value2, dims) | value1 and value2 must be of the same dimensions
value1 and value2 must be of the same dimensions on dims |
mustBeEqualDims(x, y)
mustBeEqualDims(x, y, [2, 3]) |
| mustBeFile(value) | value must be a valid file path |
mustBeFile(x) |
| mustBeFinite(value) | value must be different of %nan and %inf |
mustBeFinite(x) |
| mustBeFolder(value) | value must be a valid folder path |
mustBeFolder(x) |
| mustBeGreaterThan(value, c) | value > c |
mustBeGreaterThan(x, 10) |
| mustBeGreaterThanOrEqual(value, c) | value >= c |
mustBeGreaterThanOrEqual(x, 10) |
| mustBeInRange(value, l, u [, bounds]) | value must be in range of [u, l], bounds can be
- "inclusive" (default) - "exclusive - "exclude-lower" - "exclude-upper" |
mustBeInRange(x, 0, 10)
mustBeInRange(x, 0, 10, "exclusive") |
| mustBeInteger(value) | value must be an integer value |
mustBeInteger(x) |
| mustBeLessThan(value, c) | value < c |
mustBeLessThan(x, 10) |
| mustBeLessThanOrEqual(value, c) | value <= c |
mustBeLessThanOrEqual(x, 10) |
| mustBeMember(value, members) | value must be a member of members |
mustBeMember(x, [1 3 5 7]) |
| mustBeNegative(value) | value < 0 |
mustBeNegative(x) |
| mustBeNonNan(value) | value must be different of %nan |
mustBeNonNan(x) |
| mustBeNonempty(value) | value must be non empty | mustBeNonempty(x) |
| mustBeNonnegative(value) | value >= 0 |
mustBeNonnegative(x) |
| mustBeNonpositive(value) | value <= 0 |
mustBeNonpositive(x) |
| mustBeNonsparse(value) | value is not sparse |
mustBeNonsparse(x) |
| mustBeNonzero(value) | value <> 0 |
mustBeNonzero(x) |
| mustBeNonzeroLengthText(value) | value must be a string with nonzero length |
mustBeNonzeroLengthText(x) |
| mustBeNumeric(value) | value must be a number datatype (double, ints, ...) |
mustBeNumeric(x) |
| mustBeNumericOrBoolean(value) | value must be a number datatype (double, ints, ...) or boolean |
mustBeNumericOrBoolean(x) |
| mustBeNumericOrLogical(value) | value must be a number datatype (double, ints, ...) or boolean |
mustBeNumericOrLogical(x) |
| mustBePositive(value) | value > 0 |
mustBePositive(x) |
| mustBeReal(value) | value must be real |
mustBeReal(x) |
| mustBeSameType(value1, value2) | value1 and value2 must be of same type |
mustBeSameType(x, y) |
| mustBeScalarOrEmpty(value) | value must be scalar or empty |
mustBeScalarOrEmpty(x) |
| mustBeValidVariableName(value) | value must be a valid variable name |
mustBeValidVariableName(x) |
| mustBeVector(value) | value must be a vector |
mustBeVector(x) |
| mustBeSquare(value) | value must be a square matrix |
mustBeSquare(x) |
See also
- Arguments — keyword to check function arguments
History
| Version | Description |
| 2024.0 | Introduction in Scilab. |
| Report an issue | ||
| << arguments | Control flow | break >> |