Trait symbolic_expressions::Formatter
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[src]
pub trait Formatter { fn open<W>(&mut self, writer: &mut W, value: Option<&Sexp>) -> Result<()> where W: Write; fn element<W>(&mut self, writer: &mut W, value: &Sexp) -> Result<()> where W: Write; fn close<W>(&mut self, writer: &mut W) -> Result<()> where W: Write; }
trait for formatting the serialization of a symbolic-expression
Required Methods
fn open<W>(&mut self, writer: &mut W, value: Option<&Sexp>) -> Result<()> where W: Write
Called when serializing a '('.
fn element<W>(&mut self, writer: &mut W, value: &Sexp) -> Result<()> where W: Write
Called when serializing a ' VAL'.
fn close<W>(&mut self, writer: &mut W) -> Result<()> where W: Write
Called when serializing a ')'.