slint/internal/compiler/tests/syntax/basic/children_placeholder.slint
Olivier Goffart 53090ab489 Forbid usage of @children in repeated or conditional element
It leads to compiler panic, or errors in the generated code.
2022-10-31 14:13:42 +01:00

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Text

// Copyright © SixtyFPS GmbH <info@slint-ui.com>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial
NotInIf := Rectangle {
if true: Rectangle {
@children
// ^error{The @children placeholder cannot appear in a conditional element}
}
}
NotInFor := Rectangle {
HorizontalLayout {
for xxx in 12: Rectangle {
VerticalLayout {
@children
// ^error{The @children placeholder cannot appear in a repeated element}
}
}
}
}
TestBox := Rectangle {
@children
@children
// ^error{The @children placeholder can only appear once in an element}
}
TestBox2 := Rectangle {
Rectangle {
@children
}
@children
// ^error{The @children placeholder can only appear once in an element hierarchy}
}
Final := TestBox {
Rectangle {
@children
// ^error{children placeholder not allowed in the final component}
}
}