Extract function(s) from a functional sequence.
Functional sequences can be subset using single or double brackets. A single-bracket subset results in a new functional sequence, and a double-bracket subset results in a single function.
## S3 method for class 'fseq' x[[...]] ## S3 method for class 'fseq' x[...]
x |
A functional sequence |
... |
index/indices. For double brackets, the index must be of length 1. |
A function or functional sequence.
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