triqs.gfs.lazy_expressions.lazy_function

triqs.gfs.lazy_expressions.lazy_function(name, F)[source]

Wrap a Python callable so it can be applied to lazy expressions.

Parameters:

namestr: Display name used when stringifying the tree.
Fcallable: Function to invoke at evaluation time.

Returns:

LazyExpr: Terminal node holding (name, F); calling it as wrapped(*args) produces a "F"-tagged expression node.