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21 lines
411 B
Nix
21 lines
411 B
Nix
# Exclude lines of Org subtrees by a heading predicate
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pred:
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with builtins;
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let
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inherit (import ./utils.nix)
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dropTillSubtreeEnd
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getHeadlineLevel
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splitListWith
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isHeadline;
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go_ = cut:
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cut.before
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++
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(if cut.sep == null
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then [ ]
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else go (dropTillSubtreeEnd (getHeadlineLevel cut.sep) cut.after));
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go = lines: go_ (splitListWith (s: isHeadline s && pred s) lines);
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in
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go
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