Page:4SIGHT manual- a computer program for modelling degradation of underground low level waste concrete vaults (IA 4sightmanualcomp5612snyd).pdf/97

14. 17. The MATERIAL datatype is used for any material property that can be specified by the user. It carries a flag to denote whether the value is the default one, or the one specified by the user.

⟨User defined data types14⟩ $$+\equiv$$ typedef struct { real value; boolean is_default; } MATERIAL;