Crate purr

Primitives for reading and writing the Simplified Molecular Line Input Line Entry System (SMILES) language. Based on OpenSMILES. For goals and rationale, see:

• SMILES Formal Grammar
• SMILES Formal Grammar Revisited
• Let's Build a SMILES Parser in Rust
• Abstract Syntax Trees for SMILES

Modules

graph	Graph-like (adcacency) representation of SMILES.
parts	Common components used in graph and tree representations.
read	Reading SMILES strings.
tree	Tree representation of SMILES.
write	Writing SMILES strings.