Struct symbolic_expressions::iteratom::IterAtom

pub struct IterAtom<'a> {
    pub iter: Peekable<Iter<'a, Sexp>>,
    // some fields omitted
}

Atom iterator wrapper

Fields

iter: Peekable<Iter<'a, Sexp>>

containing iterable (pub for now)

Implementations

impl<'a> IterAtom<'a>

pub fn new(s: &'a Sexp, name: &str) -> Result<IterAtom<'a>, SexpError>

deconstruct a Sexp that is a list and starts with ‘name’

pub fn new_nameless(s: &'a Sexp, name: &str) -> Result<IterAtom<'a>, SexpError>

deconstruct a Sexp that is a list and doesn’t start with a name

pub fn i(&mut self, name: &str) -> Result<i64, SexpError>

expect an integer while iterating a Sexp list

shape: (… … 42 …)

pub fn f(&mut self, name: &str) -> Result<f64, SexpError>

expect a float while iterating a Sexp list

shape: (… … 42.7 …)

pub fn s(&mut self, name: &str) -> Result<String, SexpError>

expect a String while iterating a Sexp list

shape: (… … hello …)

pub fn s_in_list(&mut self, name: &str) -> Result<String, SexpError>

expect a list contained String while iterating a Sexp list

shape: (… … hello …)

pub fn i_in_list(&mut self, name: &str) -> Result<i64, SexpError>

expect a list contained i64 while iterating a Sexp list

shape: (… … (name 42) …)

pub fn f_in_list(&mut self, name: &str) -> Result<f64, SexpError>

expect a list contained f64 while iterating a Sexp list

shape: (… … (name 42.7) …)

pub fn t<T: FromSexp>(&mut self, name: &str) -> Result<T, SexpError>

expect a Sexp while iterating a Sexp list

shape: (… … (…) …)

pub fn t_in_list<T: FromSexp>(&mut self, name: &str) -> Result<T, SexpError>

expect a list containing a Sexp while iterating a Sexp list

shape: (… … (name (…)) …)

pub fn vec<T: FromSexp>(&mut self) -> Result<Vec<T>, SexpError>

expect remainder of iterator to be a Vec<T>

shape: (… T T T)

pub fn maybe_t<T: FromSexp>(&mut self) -> Option<T>

maybe a FromSexp while iterating a Sexp list

shape: (… … (…) …)

pub fn maybe_s(&mut self) -> Option<String>

maybe a String while iterating a Sexp list

shape: (… … hello …)

pub fn maybe_literal_s(&mut self, l: &str) -> Option<String>

maybe a String while iterating a Sexp list

shape: (… … literal …)

pub fn maybe_i(&mut self) -> Option<i64>

maybe an i64 while iterating a Sexp list

shape: (… … 42 …)

pub fn maybe_f(&mut self) -> Option<f64>

maybe an f64 while iterating a Sexp list

shape: (… … 42.7 …)

pub fn maybe_s_in_list(&mut self, name: &str) -> Option<String>

maybe a list containing a String while iterating a Sexp list

shape: (… … (name hello) …)

pub fn maybe_i_in_list(&mut self, name: &str) -> Option<i64>

maybe a list containing an i64 while iterating a Sexp list

shape: (… … (name 42) …)

pub fn maybe_f_in_list(&mut self, name: &str) -> Option<f64>

maybe a list containing an f64 while iterating a Sexp list

shape: (… … (name 42.7) …)

pub fn close<T>(&mut self, x: T) -> Result<T, SexpError>

make sure we consumed all of the iterator

shape: )