Scheme has Guardians for this. They're available in Guile[1], and have recently been submitted as an SRFI[2] for standardization. Original proposal is from Kent

Scheme has Guardians for this. They're available in Guile[1], and have recently been submitted as an SRFI[2] for standardization. Original proposal is from Kent Dybvig et al in 1993[3] [1]:https://www.gnu.org/software/guile//manual/html_node/Guardians.html https://www.gnu.org/software/guile//manual/html_node/Guardia... [2]:https://srfi.schemers.org/srfi-246/ https://srfi.schemers.org/srfi-246/ [3]:https://www.cs.tufts.edu/comp/250RTS/archive/kent-dybvig/guardians.pdf https://www.cs.tufts.edu/comp/250RTS/archive/kent-dybvig/gua...