swift - `{ ... }` in output from `po` in Xcode debugger indicates what? -

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i gather strings (as received block's first parameter in call enumeratetagsinrange:scheme:options:usingblock:) array , inspect array in xcode debugger po strings. strings bear annotation { ... } so:

(lldb) po strings ▿ 3 elements   - [0] : "determiner"   - [1] : "adjective"   - [2] : "adjective" { ... }  (lldb) expr strings ([string]) $r5 = 3 values {   - [0] : "determiner"   - [1] : "adjective"   - [2] : "adjective"

what { ... } indicate? if additional information, of kind , can "expand" somehow?


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