TextRange class Null safety
A range of characters in a string of text.
- Implementers
Constructors
- TextRange({required int start, required int end})
-
Creates a text range.
const
- TextRange.collapsed(int offset)
-
A text range that starts and ends at offset.
const
Properties
- end → int
-
The next index after the characters in this range.
final
- hashCode → int
-
The hash code for this object.
read-onlyoverride
- isCollapsed → bool
-
Whether this range is empty (but still potentially placed inside the text).
read-only
- isNormalized → bool
-
Whether the start of this range precedes the end.
read-only
- isValid → bool
-
Whether this range represents a valid position in the text.
read-only
- runtimeType → Type
-
A representation of the runtime type of the object.
read-onlyinherited
- start → int
-
The index of the first character in the range.
final
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
textAfter(
String text) → String - The text after this range.
-
textBefore(
String text) → String - The text before this range.
-
textInside(
String text) → String - The text inside this range.
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override