The words that fit at caret while a [ is open: roles inside the parentheses of an argument list, properties outside. A [ that starts the query or follows another [ belongs to a name like [[<-, so it offers nothing.
caret
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The words that fit at
caretwhile a[is open: roles inside the parentheses of an argument list, properties outside. A[that starts the query or follows another[belongs to a name like[[<-, so it offers nothing.