[ios, macos] Note that no modifier operators are supported
There’s also an “l” operator for locale sensitivity.
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Minh Nguyễn
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aef36956ee
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63b1d652f8
@@ -62,8 +62,9 @@ NS_ASSUME_NONNULL_BEGIN
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To test whether a feature has or lacks a specific attribute, compare the attribute to `NULL` or `NIL`. Predicates created using the `+[NSPredicate predicateWithValue:]` method are also supported. String operators and custom operators are not supported.
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For details about the predicate format string syntax, consult the “Predicate
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Format String Syntax” chapter of the “Predicate Programming Guide” in Apple
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developer documentation.
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Format String Syntax” chapter of the
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“<a href="https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/Predicates/">Predicate Programming Guide</a>”
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in Apple developer documentation.
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The predicate's left-hand expression must be a string that identifies a feature
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attribute or, alternatively, one of the following special attributes:
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@@ -119,9 +120,10 @@ NS_ASSUME_NONNULL_BEGIN
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Automatic type casting is not performed. Therefore, a feature only matches this
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predicate if its value for the attribute in question is of the same type as the
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value specified in the predicate. Also, operator modifiers `c`, `d`, and the
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combined `cd` for case and diacritic insensitivity are unsupported for
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comparison and aggregate operators that are used in the predicate.
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value specified in the predicate. Also, operator modifiers such as `c` (for
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case insensitivity), `d` (for diacritic insensitivity), and `l` (for locale
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sensitivity) are unsupported for comparison and aggregate operators that are
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used in the predicate.
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It is possible to create expressions that contain special characters in the
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predicate format syntax. This includes the `$` in the `$id` and `$type` special
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