Mercurial > hg > Papers > 2020 > soto-midterm
view src/tree.agda.replaced @ 1:73127e0ab57c
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author | soto@cr.ie.u-ryukyu.ac.jp |
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date | Tue, 08 Sep 2020 18:38:08 +0900 |
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data nomal-tree (A : Set) : Set where nleaf : (key : @$\mathbb{N}$@) @$\rightarrow$@ tree A nnode : (key : @$\mathbb{N}$@) @$\rightarrow$@ (lnode : nomal-tree A) @$\rightarrow$@ (rnode : nomal-tree A) @$\rightarrow$@ nomal-tree A data meta-tree (A : Set) : (key : @$\mathbb{N}$@) @$\rightarrow$@ Set where mleaf : (key : @$\mathbb{N}$@) @$\rightarrow$@ meta-tree A key mnode : { l r : @$\mathbb{N}$@ } @$\rightarrow$@ (key : @$\mathbb{N}$@) @$\rightarrow$@ (value : A) @$\rightarrow$@ (lnode : meta-tree A l) @$\rightarrow$@ (rnode : meta-tree A r) @$\rightarrow$@ l @$\leq$@ key @$\rightarrow$@ key @$\leq$@ r @$\rightarrow$@ metatree A key