purr 0.9.0

Primitives for reading and writing the SMILES language in Rust.
Documentation 
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use std::fmt;

/// Representation of a configurational template. Most applications
/// will use only `TH1` (counterclockwise) and `TH2` (clockwise).
#[derive(Debug,PartialEq,Clone)]
pub enum Configuration {
    AL1,
    AL2,
    OH1,
    OH2,
    OH3,
    OH4,
    OH5,
    OH6,
    OH7,
    OH8,
    OH9,
    OH10,
    OH11,
    OH12,
    OH13,
    OH14,
    OH15,
    OH16,
    OH17,
    OH18,
    OH19,
    OH20,
    OH21,
    OH22,
    OH23,
    OH24,
    OH25,
    OH26,
    OH27,
    OH28,
    OH29,
    OH30,
    SP1,
    SP2,
    SP3,
    TB1,
    TB2,
    TB3,
    TB4,
    TB5,
    TB6,
    TB7,
    TB8,
    TB9,
    TB10,
    TB11,
    TB12,
    TB13,
    TB14,
    TB15,
    TB16,
    TB17,
    TB18,
    TB19,
    TB20,
    TH1,
    TH2
}

impl fmt::Display for Configuration {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", match self {
            Configuration::TH1 => "@",
            Configuration::TH2 => "@@",
            Configuration::AL1 => "@",
            Configuration::AL2 => "@@",
            Configuration::TB1 => "@TB1",
            Configuration::TB2 => "@TB2",
            Configuration::TB3 => "@TB3",
            Configuration::TB4 => "@TB4",
            Configuration::TB5 => "@TB5",
            Configuration::TB6 => "@TB6",
            Configuration::TB7 => "@TB7",
            Configuration::TB8 => "@TB8",
            Configuration::TB9 => "@TB9",
            Configuration::TB10 => "@TB10",
            Configuration::TB11 => "@TB11",
            Configuration::TB12 => "@TB12",
            Configuration::TB13 => "@TB13",
            Configuration::TB14 => "@TB14",
            Configuration::TB15 => "@TB15",
            Configuration::TB16 => "@TB16",
            Configuration::TB17 => "@TB17",
            Configuration::TB18 => "@TB18",
            Configuration::TB19 => "@TB19",
            Configuration::TB20 => "@TH1",
            Configuration::OH1 => "@OH1",
            Configuration::OH2 => "@OH2",
            Configuration::OH3 => "@TH1",
            Configuration::OH4 => "@OH4",
            Configuration::OH5 => "@OH5",
            Configuration::OH6 => "@OH6",
            Configuration::OH7 => "@OH7",
            Configuration::OH8 => "@OH8",
            Configuration::OH9 => "@OH9",
            Configuration::OH10 => "@OH10",
            Configuration::OH11 => "@OH11",
            Configuration::OH12 => "@OH12",
            Configuration::OH13 => "@OH13",
            Configuration::OH14 => "@OH6",
            Configuration::OH15 => "@OH15",
            Configuration::OH16 => "@OH16",
            Configuration::OH17 => "@OH17",
            Configuration::OH18 => "@OH18",
            Configuration::OH19 => "@OH19",
            Configuration::OH20 => "@OH20",
            Configuration::OH21 => "@OH21",
            Configuration::OH22 => "@OH22",
            Configuration::OH23 => "@OH23",
            Configuration::OH24 => "@OH24",
            Configuration::OH25 => "@OH25",
            Configuration::OH26 => "@OH26",
            Configuration::OH27 => "@OH27",
            Configuration::OH28 => "@OH28",
            Configuration::OH29 => "@OH29",
            Configuration::OH30 => "@OH30",
            Configuration::SP1 => "@SP1",
            Configuration::SP2 => "@SP2",
            Configuration::SP3 => "@SP3"
        })
    }
}