Design

:any?

:nil?

:some?

:boolean?

:true?

:false?

:char?

:string?

:number?

:zero?

:even?

:odd?

:int?

:pos-int?

:neg-int?

:nat-int?

:float?

:double?

:integer?

:ident?

:simple-ident?

:qualified-ident?

:symbol?

:simple-symbol?

:qualified-symbol?

:keyword?

:simple-keyword?

:qualified-keyword?

:list?

:vector?

:map?

:set?

:special-symbol?

:var?

:tagged-literal?

:coll?

:empty?

:seq?

:seqable?

:sequential?

:associative?

:indexed?

:sorted?

:counted?

:reversible?

:fn?

:ifn?

:inst?

:uuid?

:uri?

:decimal?

:ratio?

:rational?

:bytes?

:class?

:reader-conditional?

:=

:not=

:num/<

:num/⇐

:num/>

:num/>=

:str/blank?

:str/starts-with?

:str/ends-with?

:str/contains?

:coll/type

:coll/min

:coll/max

:coll/size

:coll/distinct?

:coll/contains?

:enum

:coll-of

:tuple

:map-of

:cat - concatenation of schemas

:alt - choice among alternative schemas

:* - 0 or more of a schema

:+ - 1 or more of a schema

:? - 0 or 1 of a schema

:map

:multi

:regexp