record Envc : Set where
  field
    vari : @$\mathbb{N}$@
    varn : @$\mathbb{N}$@
    c10  : @$\mathbb{N}$@

makeEnv : @$\mathbb{N}$@ @$\rightarrow$@ @$\mathbb{N}$@ @$\rightarrow$@ @$\mathbb{N}$@ @$\rightarrow$@ Envc
makeEnv i n c = record { vari = i ; varn = n ; c10 = c }