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only

ReactElement only(

  1. JSAny? children
)

Verifies that children has only one child and returns it.

Throws if children has zero or more than one child.

Example:

final onlyChild = Children.only(props['children']);
  • Children.only documentation
  • Children.only – React 中文文档

Implementation

static ReactElement only(JSAny? children) =>
    ReactElement.fromJS(_childrenOnly(children));

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